JAMB

JAMB Physics Syllabus

General Objectives

  • Sustain their interest in physics
  • Develop attitude relevant to physics that encourage accuracy, precision and objectivity
  • Interpret physical phenomena, laws, definitions, concepts and other theories
  • Demonstrate the ability to solve physics problems correctly using relevant theories and concepts

1. MEASUREMENTS & UNITS

Length, area and volume

Content:

  • Metre rule
  • Vernier calipers
  • Micrometer Screw-gauge
  • Measuring cylinder

Learning Objectives:

  • Identify the units of length, area and volume
  • Use different measuring instruments
  • Determine the lengths, surface areas and volume of regular and irregular bodies

Mass

Content:

  • Unit of mass
  • Use of simple beam balance
  • Concept of beam balance

Learning Objectives:

  • Identify the unit of mass
  • Use simple beam balance, e.g Buchart’s balance and chemical balance

Time

Content:

  • Unit of time
  • Time-measuring devices

Learning Objectives:

  • Identify the unit of time
  • Use different time-measuring devices

Fundamental physical quantities

Learning Objectives:

  • Relate the fundamental physical quantities to their units

Derived physical quantities and their units

Content:

  • Combinations of fundamental quantities and determination of their units

Learning Objectives:

  • Deduce the units of derived physical quantities

Dimensions

Content:

  • Definition of dimensions
  • Simple examples

Learning Objectives:

  • Determine the dimensions of physical quantities
  • Use the dimensions to determine the units of physical quantities
  • Test the homogeneity of an equation

Limitations of experimental measurements

Content:

  • Accuracy of measuring instruments
  • Simple estimation of errors
  • Significant figures
  • Standard form

Learning Objectives:

  • Determine the accuracy of measuring instruments
  • Estimate simple errors
  • Express measurements in standard form

2. SCALARS & VECTOR QUANTITY

Scalars and Vectors

Content:

  • Definition of scalar and vector quantities
  • Examples of scalar and vector quantities
  • Relative velocity
  • Resolution of vectors into two perpendicular directions including graphical methods of solution

Learning Objectives:

  • Distinguish between scalar and vector quantities
  • Give examples of scalar and vector quantities
  • Determine the resultant of two or more vectors
  • Determine relative velocity
  • Resolve vectors into two perpendicular components
  • Use graphical methods to solve vector problems

3. MOTION

Types of motion

Content:

  • Translational, oscillatory, rotational, spin and random

Learning Objectives:

  • Identify different types of motion

Relative motion

Learning Objectives:

  • Solve numerical problem on collinear motion

Causes of motion

Learning Objectives:

  • Identify force as cause of motion

Types of force

Content:

  • Contact
  • Force field

Learning Objectives:

  • Identify push and pull as forms of force
  • Identify electric and magnetic attractions, gravitational pull as forms of field forces

Linear motion

Content:

  • Speed, velocity and acceleration
  • Equations of uniformly accelerated motion
  • Motion under gravity
  • Distance-time graph and velocity time graph
  • Instantaneous velocity and acceleration

Learning Objectives:

  • Differentiate between speed, velocity and acceleration
  • Deduce equations of uniformly accelerated motion
  • Solve problems of motion under gravity
  • Interpret distance-time graph and velocity-time graph
  • Compute instantaneous velocity and acceleration

Projectiles

Content:

  • Calculation of range, maximum height and time of flight from the ground and a height
  • Applications of projectile motion

Learning Objectives:

  • Establish expressions for the range, maximum height and time of flight of projectiles
  • Solve problems involving projectile motion

Newton’s laws of motion

Content:

  • Inertia, mass and force
  • Relationship between mass and acceleration
  • Impulse and momentum
  • Force – time graph
  • Conservation of linear momentum (Coefficient of restitution not necessary)

Learning Objectives:

  • Solve numerical problems involving impulse and momentum
  • Interpretation of area under force – time graph
  • Interpret Newton’s laws of motion
  • Compare inertia, mass and force
  • Deduce the relationship between mass and acceleration
  • Interpret the law of conservation of linear momentum and application

Motion in a circle

Content:

  • Angular velocity and angular acceleration
  • Centripetal and centrifugal forces
  • Applications

Learning Objectives:

  • Establish expression for angular velocity, angular acceleration and centripetal force
  • Solve numerical problems involving motion in a circle

Simple Harmonic Motion (S.H.M)

Content:

  • Definition and explanation of simple harmonic motion
  • Examples of systems that execute S.H.M
  • Period, frequency and amplitude of S.H.M
  • Velocity and acceleration of S.H.M
  • Simple treatment of energy change in S.H.M
  • Force vibration and resonance (simple treatment)

Learning Objectives:

  • Establish the relationship between period and frequency
  • Analyze the energy changes occurring during S.H.M
  • Identify different types of forced vibration
  • Enumerate applications of resonance

4. GRAVITATIONAL FIELD

Gravitation

Content:

  • Newton’s law of universal gravitation
  • Gravitational potential
  • Conservative and non-conservative fields
  • Acceleration due to gravity
  • Variation of g on the earth’s surface
  • Distinction between mass and weight escape velocity
  • Parking orbit and weightlessness

Learning Objectives:

  • Identify the expression for gravitational force between two bodies
  • Apply Newton’s law of universal gravitation
  • Give examples of conservative and non-conservative fields
  • Deduce the expression for gravitational field potentials
  • Identify the causes of variation of g on the earth’s surface
  • Differentiate between mass and weight
  • Determine escape velocity

5. EQUILIBRIUM OF FORCES

Equilibrium of particles

Content:

  • Equilibrium of coplanar forces
  • Triangles and polygon of forces
  • Lami’s theorem

Learning Objectives:

  • Apply the conditions for the equilibrium of coplanar forces to solve problems
  • Use triangle and polygon laws of forces to solve equilibrium problems
  • Use Lami’s theorem to solve problems

Principles of moments

Content:

  • Moment of a force
  • Simple treatment and moment of a couple
  • Applications

Learning Objectives:

  • Analyze the principle of moment of a force
  • Determine moment of a force and couple
  • Describe some applications of moment of a force and couple

Conditions for equilibrium of rigid bodies

Content:

  • Resolution and composition of forces in two perpendicular directions
  • Resultant and equilibrant

Learning Objectives:

  • Apply the conditions for the equilibrium of rigid bodies to solve problems
  • Resolve forces into two perpendicular directions
  • Determine the resultant and equilibrant of forces

Center of gravity and stability

Content:

  • Stable, unstable and neutral equilibrium

Learning Objectives:

  • Differentiate between stable, unstable and neutral equilibra

6. WORK, ENERGY AND POWER

Work, Energy and Power

Content:

  • Definition of work, energy and power
  • Forms of energy
  • Conservation of energy
  • Qualitative treatment between different forms of energy
  • Interpretation of area under the force-distance curve

Learning Objectives:

  • Differentiate between work, energy and power
  • Compare different forms of energy, giving examples
  • Apply the principle of conservation of energy
  • Examine the transformation between different forms of energy
  • Interpret the area under the force – distance curve
  • Solve numerical problems in work, energy and power

Energy and society

Content:

  • Sources of energy
  • Renewable and non-renewable energy e.g. coal, crude oil etc.
  • Uses of energy
  • Energy and development
  • Energy diversification
  • Environmental impact of energy e.g. global warming, greenhouse effect and spillage
  • Energy crises
  • Conversion of energy
  • Devices used in energy production

Learning Objectives:

  • Itemize the sources of energy
  • Distinguish between renewable and nonrenewable energy, examples should be given
  • Identify methods of energy transition
  • Explain the importance of energy in the development of the society
  • Analyze the effect of energy use to the environment
  • Identify energy sources that are friendly or hazardous to the environment
  • Identify energy uses in their immediate environment
  • Suggests ways of safe energy use
  • State different forms of energy conversion

Dams and energy production

Content:

  • Location of dams
  • Energy production

Nuclear energy

Solar energy

Content:

  • Solar collector
  • Solar panel for energy supply

7. FRICTION

Friction

Content:

  • Static and dynamic friction
  • Coefficient of limiting friction and its determination
  • Advantages and disadvantages of friction
  • Reduction of friction
  • Qualitative treatment of viscosity and terminal velocity
  • Stoke’s law

Learning Objectives:

  • Differentiate between static and dynamic friction
  • Determine the coefficient of limiting friction
  • Compare the advantages and disadvantages of friction
  • Suggest ways by which friction can be reduced
  • Analyze factors that affect viscosity and terminal velocity
  • Apply Stoke’s law

8. SIMPLE MACHINES

Simple Machines

Content:

  • Definition of simple machines
  • Types of machines
  • Mechanical advantage, velocity ratio and efficiency of machines

Learning Objectives:

  • Identify different types of simple machines
  • Solve problems involving simple machines

9. ELASTICITY

Elasticity

Content:

  • Elastic limit, yield point, breaking point, Hooke’s law and Young’s modulus
  • The spring balance as a device for measuring force
  • Work done per unit volume in springs and elastic strings

Learning Objectives:

  • Interpret force-extension curves
  • Interpret Hooke’s law and Young’s modulus of a material
  • Use spring balance to measure force
  • Determine the work done in spring and elastic strings

10. PRESSURE

Atmospheric Pressure

Content:

  • Definition of atmospheric pressure
  • Units of pressure (S.I) units (Pa)
  • Measurement of pressure
  • Simple mercury barometer, aneroid barometer and manometer
  • Variation of pressure with height
  • The use of a barometer as an altimeter

Learning Objectives:

  • Recognize the S.I units of pressure; (Pa)
  • Identify pressure measuring instruments
  • Relate the variation of pressure to height
  • Use a barometer as an altimeter

Pressure in liquids

Content:

  • The relationship between pressure, depth and density (P = ρgh)
  • Transmission of pressure in liquids (Pascal’s Principle)
  • Application

Learning Objectives:

  • Determine the relationship between pressure, depth and density
  • Apply the principle of transmission of pressure in liquids to solve problems
  • Determine and apply the principle of pressure in liquid

11. LIQUIDS AT REST

Liquids at Rest

Content:

  • Determination of density of solids and liquids
  • Definition of relative density
  • Upthrust on a body immersed in a liquid
  • Archimedes’ principle and law of floatation and applications, e.g. ships and hydrometers

Learning Objectives:

  • Distinguish between density and relative density of substances
  • Determine the upthrust on a body immersed in a liquid
  • Apply Archimedes’ principle and law of floatation to solve problems

12. TEMPERATURE AND ITS MEASUREMENTS

Temperature

Content:

  • Concept of temperature
  • Thermometric properties
  • Calibration of thermometers
  • Temperature scales -Celsius and Kelvin
  • Types of thermometers
  • Conversion from one scale of temperature to another

Learning Objectives:

  • Identify thermometric properties of materials that are used for different thermometers
  • Calibrate thermometers
  • Differentiate between temperature scales e.g Celsius and Kelvin
  • Compare the types of thermometers
  • Convert from one scale of temperature to another

13. THERMAL EXPANSION

Solids

Content:

  • Definition and determination of linear, volume and area expansivities
  • Effects and applications, e.g. expansion in building strips and railway lines
  • Relationship between different expansivities

Learning Objectives:

  • Determine linear and volume expansivities
  • Assess the effects and applications of thermal expansivities
  • Determine the relationship between different expansivities

Liquids

Content:

  • Volume expansivity
  • Real and apparent expansivities
  • Determination of volume expansivity
  • Anomalous expansion of water

Learning Objectives:

  • Determine volume, apparent, and real expansivities of liquids
  • Analyze the anomalous expansion of water

14. GAS LAWS

Gas Laws

Content:

  • Boyle’s law (isothermal process)
  • Charles’ law (isobaric process)
  • Pressure law (volumetric process
  • Absolute zero of temperature
  • General gas equation (PV/T = constant)
  • Ideal gas equation Eg. Pv = nRT
  • Van der waal gas

Learning Objectives:

  • Interpret the gas laws
  • Use expression of these laws to solve numerical problems
  • Interpret Van der waal equation for one mole of a real gas

15. QUANTITY OF HEAT

Quantity of Heat

Content:

  • Heat as a form of energy
  • Definition of heat capacity and specific heat capacity of solids and liquids
  • Determination of heat capacity and specific heat capacity of substances by simple methods e.g method of mixtures and electrical method and Newton’s law of cooling

Learning Objectives:

  • Differentiate between heat capacity and specific heat capacity
  • Determine heat capacity and specific heat capacity using simple methods
  • Solve numerical problems

16. CHANGE OF STATE

Change of State

Content:

  • Latent heat
  • Specific latent heats of fusion and vaporization
  • Melting, evaporation and boiling
  • The influence of pressure and of dissolved substances on boiling and melting points
  • Application in appliances

Learning Objectives:

  • Differentiate between latent heat and specific latent heats of fusion and vaporization
  • Differentiate between melting, evaporation and boiling
  • Examine the effects of pressure and of dissolved substance on boiling and melting points
  • Solve numerical problems

17. VAPOURS

Vapours

Content:

  • Unsaturated and saturated vapors
  • Relationship between saturated vapor pressure (S.V.P) and boiling
  • Determination of S.V.P by barometer tube method
  • Formation of dew, mist, fog, and rain
  • Study of dew point, humidity and relative humidity
  • Hygrometry; estimation of the humidity of the atmosphere using wet and dry bulb hygrometers

Learning Objectives:

  • Distinguish between saturated and unsaturated vapors
  • Relate saturated vapor pressure to boiling point
  • Determine S.V.P by barometer tube method
  • Differentiate between dew point, humidity and relative humidity
  • Estimate the humidity of the atmosphere using wet and dry bulb hygrometers
  • Solve numerical problems

18. STRUCTURE OF MATTER AND KINETIC THEORIES

Molecular nature of matter

Content:

  • Atoms and molecules
  • Molecular theory: explanation of Brownian motion, diffusion, surface tension, capillarity, adhesion, cohesion and angles of contact etc
  • Examples and applications

Learning Objectives:

  • Differentiate between atoms and molecules
  • Use molecular theory to explain Brownian motion, diffusion, surface, tension, capillarity, adhesion, cohesion and angle of contact

Kinetic Theory

Content:

  • Assumptions of the kinetic theory
  • Using the theory to explain the pressure exerted by gas, Boyle’s law, Charles’ law, melting, boiling, vapourization, change in temperature, evaporation, etc.

Learning Objectives:

  • Examine the assumptions of kinetic theory
  • Interpret kinetic theory, the pressure exerted by gasses Boyle’s law, Charles law melting, boiling vaporization, change in temperature, evaporation, etc.

19. HEAT TRANSFER

Heat Transfer

Content:

  • Conduction, convection and radiation as modes of heat transfer
  • Temperature gradient, thermal conductivity and heat flux
  • Effect of the nature of the surface on the energy radiated and absorbed by it
  • The conductivities of common materials
  • The thermos flask
  • Land and sea breeze
  • Engines

Learning Objectives:

  • Differentiate between conduction, convection and radiation as modes of heat transfer
  • Solve problems on temperature gradient, thermal conductivity and heat flux
  • Assess the effect of the nature of the surface on the energy radiated and absorbed by it
  • Compare the conductivities of common materials
  • Relate the component part of the working of the thermos flask
  • Differentiate between land and sea breeze
  • Analyze the principles of operating internal combustion jet engines, rockets

20. WAVES

Production and Propagation

Content:

  • Wave motion
  • Vibrating systems as source of waves
  • Waves as mode of energy transfer
  • Distinction between particle motion and wave motion
  • Relationship between frequency, wavelength and wave velocity V = f λ
  • Phase difference, wavenumber and wave vector
  • Progressive wave equation e.g Y = A sin 2π/λ (vt ± x)

Learning Objectives:

  • Interpret wave motion
  • Identify vibrating systems as sources of waves
  • Use waves as a mode of energy transfer
  • Distinguish between particle motion and wave motion
  • Relate frequency and wavelength to wave velocity
  • Determine phase difference, wavenumber and wave vector
  • Use the progressive wave equation to compute basic wave parameters

Classification

Content:

  • Types of waves; mechanical and electromagnetic waves
  • Longitudinal and transverse waves
  • Stationary and progressive waves
  • Examples of waves from springs, ropes, stretched strings and the ripple tank

Learning Objectives:

  • Differentiate between mechanical and electromagnetic waves
  • Differentiate between longitudinal and transverse waves
  • Distinguish between stationary and progressive waves
  • Indicate the example of waves generated from springs, ropes, stretched strings and the ripple tank

Characteristics/Properties

Content:

  • Reflection, refraction, diffraction and plane Polarization
  • Superposition of waves e.g interference
  • Beats
  • Doppler effects (qualitative treatment only)

Learning Objectives:

  • Differentiate between reflection, refraction, diffraction and plane polarization of waves
  • Analyze the principle of superposition of waves
  • Solve numerical problems on waves
  • Explain the phenomenon of beat, beat frequency and uses
  • Explain Doppler effect of sound and application

21. PROPAGATION OF SOUND WAVES

Sound Waves

Content:

  • The necessity for a material medium
  • Speed of sound in solids, liquids and air
  • Reflection of sound; echoes, reverberation and their applications
  • Disadvantages of echoes and reverberations

Learning Objectives:

  • Determine the need for a material medium in the propagation of sound waves
  • Compare the speed of sound in solids, liquids and air
  • Relate the effects of temperature and pressure to the speed of sound in air
  • Solve problem on echoes, reverberation and speed
  • Compare the disadvantages and advantages of echoes
  • Solve problems on echo, reverberation and speed of sound

22. CHARACTERISTICS OF SOUND WAVES

Sound Characteristics

Content:

  • Noise and musical notes
  • Quality, pitch, intensity and loudness and their application to musical instruments
  • Simple treatment of overtones produced by vibrating strings and their columns (F₀ = 1/2L √(T/μ); (μ = m/l))
  • Acoustic examples of resonance
  • Frequency of a note emitted by air columns in closed and open pipes in relation to their lengths

Learning Objectives:

  • Differentiate between noise and musical notes
  • Analyze quality, pitch, intensity and loudness of sound notes
  • Evaluate the application of (ii) above in the construction of musical instruments
  • Identify overtones by vibrating strings and air columns
  • Itemize acoustical examples of resonance
  • Determine the frequencies of notes emitted by air columns in open and closed pipes in relation to their lengths

23. LIGHT ENERGY

Sources of Light

Content:

  • Natural and artificial sources of light
  • Luminous and non-luminous objects

Learning Objectives:

  • Compare the natural and artificial sources of light
  • Differentiate between luminous and non luminous objects

Propagation of light

Content:

  • Speed, frequency and wavelength of light
  • Formation of shadows and eclipse
  • The pin-hole camera

Learning Objectives:

  • Relate the speed, frequency and wavelength of light
  • Interpret the formation of shadows and eclipses
  • Solve problems using the principle of operation of a pin-hole camera

24. REFLECTION OF LIGHT AT PLANE AND CURVED SURFACES

Reflection of Light

Content:

  • Laws of reflection
  • Application of reflection of light
  • Formation of images by plane, concave and convex mirrors and ray diagrams
  • Use of the mirror formula 1/f = 1/u + 1/v
  • Linear magnification

Learning Objectives:

  • Interpret the laws of reflection
  • Illustrate the formation of images by plane, concave and convex mirrors
  • Apply the mirror formula to solve optical problems
  • Determine the linear magnification
  • Apply the laws of reflection of light to the working of periscope, kaleidoscope and the sextant

25. REFRACTION OF LIGHT THROUGH PLANE AND CURVED SURFACES

Refraction of Light

Content:

  • Explanation of refraction in terms of velocity of light in the media
  • Laws of refraction
  • Definition of refractive index of a medium
  • Determination of refractive index of glass and liquid using Snell’s law
  • Real and apparent depth and lateral displacement
  • Critical angle and total internal reflection
  • Glass Prism: use of the minimum deviation formula U = sin[(A + D)/2] / sin [A/2]
  • Type of lenses
  • Use of lens formula 1/f = 1/u + 1/v and Newton’s formula (F² = ab)
  • Magnification

Learning Objectives:

  • Interpret the laws of reflection
  • Determine the refractive index of glass and liquid using Snell’s law
  • Determine the refractive index using the principle of real and apparent depth
  • Determine the conditions necessary for total internal reflection
  • Examine the use of periscope, prism, binoculars, optical fiber
  • Apply the principles of total internal reflection to the formation of mirage
  • Use of lens formula and ray diagrams to solve optical numerical problems
  • Determine the magnification of an image
  • Calculate the refractive index of a glass prism using minimum deviation formula

26. OPTICAL INSTRUMENTS

Optical Instruments

Content:

  • The principles of microscopes, telescopes, projectors, cameras and the human eye (physiological details of the eye are not required)
  • Power of a lens
  • Angular magnification
  • Near and far points
  • Sight defects and their corrections

Learning Objectives:

  • Apply the principles of operation of optical instruments to solve problems
  • Distinguish between the human eye and the cameras
  • Calculate the power of a lens
  • Evaluate the angular magnification of optical instruments
  • Determine the near and far points
  • Detect sight defects and their corrections

27. DISPERSION OF LIGHT AND COLORS

Dispersion and Colors

Content:

  • Dispersion of white light by a triangular prism
  • Production of pure spectrum
  • Color mixing by addition and subtraction
  • Color of objects and color filters
  • Rainbow
  • Electromagnetic spectrum: description of sources and uses of various types of radiation

Learning Objectives:

  • Identify primary colors and obtain secondary colors by mixing
  • Understand the formation of rainbow
  • Deduces why objects have colors
  • Relate the expression for gravitational force between two bodies
  • Apply Newton’s law of universal gravitation
  • Analyze colors using color filters
  • Analyze the electromagnetic spectrum in relation to their wavelengths, sources, detection and uses

28. ELECTROSTATICS

Electrostatics

Content:

  • Existence of positive and negative charges in matter
  • Charging a body by friction, contact and induction
  • Electroscope
  • Coulomb’s inverse square law, electric field and potential
  • Electric field intensity and potential difference
  • Electric discharge and lightning

Learning Objectives:

  • Identify charges
  • Examine uses of an electroscope
  • Apply Coulomb’s square law of electrostatics to solve problems
  • Deduce expressions for electric field intensity and potential difference
  • Identify electric field flux patterns of isolated and interacting charges
  • Analyze the distribution of charges on a conductor and how it is used in lightning conductors

29. CAPACITORS

Capacitors

Content:

  • Types and functions of capacitors
  • Parallel plate capacitors
  • Capacitance of a capacitor
  • The relationship between capacitance, area separation of plates and medium between the plates (C = EA/d)
  • Capacitors in series and parallel
  • Energy stored in a capacitor

Learning Objectives:

  • Determine uses of capacitors
  • Analyze parallel plate capacitors
  • Determine the capacitance of a capacitor
  • Analyze the factors that affect the capacitance of a capacitor
  • Solve problems involving the arrangement of capacitor
  • Determine the energy stored in capacitors

30. ELECTRIC CELLS

Electric Cells

Content:

  • Simple voltaic cell and its defects
  • Daniel cell, Leclanche cell (wet and dry)
  • Lead-acid accumulator and Nickel-Iron (Nife) Lithium iron and Mercury cadmium
  • Maintenance of cells and batteries (detail treatment of the chemistry of a cell is not required)
  • Arrangement of cells
  • Efficiency of a cell

Learning Objectives:

  • Identify the defects of the simple voltaic cell and their correction
  • Compare different types of cells including solar cell
  • Compare the advantages of lead-acid and Nickel iron accumulator
  • Solve problems involving series and parallel combination of cells

31. CURRENT ELECTRICITY

Current Electricity

Content:

  • Electromagnetic force (emf), potential difference (p.d.), current, internal resistance of a cell and lost Volt
  • Ohm’s law
  • Measurement of resistance
  • Meter bridge
  • Resistance in series and in parallel and their combination
  • The potentiometer method of measuring emf, current and internal resistance of a cell
  • Electrical networks

Learning Objectives:

  • Differentiate between emf, p.d., current and internal resistance of a cell
  • Apply Ohm’s law to solve problems
  • Use meter bridge to calculate resistance
  • Compute effective total resistance of both parallel and series arrangement of resistors
  • Determine the resistivity and the conductivity of a conductor
  • Measure emf, current and internal resistance of a cell using the potentiometer
  • Identify the advantages of the potentiometer
  • Apply Kirchoff’s law in electrical networks

32. ELECTRICAL ENERGY AND POWER

Electrical Energy and Power

Content:

  • Concepts of electrical energy and power
  • Commercial unit of electric energy and power
  • Electric power transmission
  • Heating effects of electric current
  • Electrical wiring of houses
  • Use of fuses

Learning Objectives:

  • Apply the expressions of electrical energy and power to solve problems
  • Analyze how power is transmitted from the power station to the consumer
  • Identify the heating effects of current and its uses
  • Identify the advantages of parallel arrangement over series
  • Determine the fuse rating

33. MAGNETS AND MAGNETIC FIELDS

Magnets and Magnetic Fields

Content:

  • Natural and artificial magnets
  • Magnetic properties of soft iron and steel
  • Methods of making magnets and demagnetization
  • Concept of magnetic field
  • Magnetic field of a permanent magnet
  • Magnetic field around a straight current carrying conductor, circular wire and solenoid
  • Properties of the earth’s magnetic field; north and south poles, magnetic meridian and angle of dip and declination
  • Flux and flux density
  • Variation of magnetic field intensity over the earth’s surface
  • Applications: earth’s magnetic field in navigation and mineral exploration

Learning Objectives:

  • Give examples of natural and artificial magnets
  • Differentiate between the magnetic properties of soft iron and steel
  • Identify the various methods of making magnets and demagnetizing magnets
  • Describe how to keep a magnet from losing its magnetism
  • Determine the flux pattern exhibited when two magnets are placed together pole to pole
  • Determine the flux of a current carrying conductor, circular wire and solenoid including the polarity of the solenoid
  • Determine the flux pattern of a magnet placed in the earth’s magnetic fields
  • Identify the magnetic elements of the earth’s flux
  • Determine the variation of earth’s magnetic field on the earth’s surface
  • Examine the applications of the earth’s magnetic field

34. FORCE ON A CURRENT CARRYING CONDUCTOR IN A MAGNETIC FIELD

Force on Current-Carrying Conductor

Content:

  • Quantitative treatment of force between two parallel current-carrying conductors
  • Force on a charge moving in a magnetic field
  • The d.c. motor
  • Electromagnets
  • Carbon microphone
  • Moving coil and moving iron instruments
  • Conversion of galvanometers to ammeters and voltmeter using shunts and multipliers
  • Sensitivity of a galvanometer

Learning Objectives:

  • Determine the direction of force on a current carrying conductor using Fleming’s left-hand rule
  • Interpret the attractive and repulsive forces between two parallel current-carrying conductors using diagrams
  • Determine the relationship between the force, magnetic field strength, velocity and the angle through which the charge enters the field
  • Interpret the working of the d.c. motor
  • Analyze the principle of electromagnets and give examples of its application
  • Compare moving iron and moving coil instruments
  • Convert a galvanometer into an ammeter or a voltmeter
  • Identify the factors affecting the sensitivity of a galvanometer

35. ELECTROMAGNETIC INDUCTION

Electromagnetic Induction

Content:

  • Faraday’s laws of electromagnetic induction
  • Factors affecting induced emf
  • Lenz’s law as an illustration of the principle of conservation of energy
  • A.C. and D.C generators
  • Transformers
  • The induction coil
  • Inductance: explanation of inductance, unit of inductance, energy stored in an inductor (E = 1/2 I² L), application/uses of inductors
  • Eddy Current: reduction of eddy current, applications of eddy current

Learning Objectives:

  • Interpret the laws of electromagnetic induction
  • Identify factors affecting induced emf
  • Recognize how Lenz’s law illustrates the principle of conservation of energy
  • Interpret the diagrammatic set up of A.C. generators
  • Identify the types of transformer
  • Examine principles of operation of transformers
  • Assess the functions of an induction coil
  • Draw some conclusions from the principles of operation of an induction coil
  • Interpret the inductance of an inductor
  • Recognize units of inductance
  • Calculate the effective total inductance in series and parallel arrangement
  • Deduce the expression for the energy stored in an inductor
  • Examine the applications of inductors
  • Describe the method by which eddy current losses can be reduced
  • Determine ways by which eddy currents can be used

36. SIMPLE A.C CIRCUITS

Simple A.C Circuits

Content:

  • Explanation of a.c. current and voltage
  • Peak and r.m.s. values
  • A.c. source connected to a resistor
  • A.c source connected to a capacitor- capacitive reactance
  • A.c source connected to an inductor inductive reactance
  • Series R-L-C circuits
  • Vector diagram, phase angle and power factor
  • Resistance and impedance
  • Effective voltage in an R-L-C circuits
  • Resonance and resonance frequency (F₀ = 1/2π√(LC))

Learning Objectives:

  • Identify a.c. current and d.c. voltage
  • Differentiate between the peak and r.m.s. values of a.c.
  • Determine the phase difference between current and voltage
  • Interpret series R-L-C circuits
  • Analyze vector diagrams
  • Calculate the effective voltage, reactance and impedance
  • Recognize the condition by which the circuit is at resonance
  • Determine the resonant frequency of R-L-C arrangement
  • Determine the instantaneous power, average power and the power factor in a.c. circuits

37. CONDUCTION OF ELECTRICITY THROUGH

Liquids

Content:

  • Electrolytes and non-electrolyte
  • Concept of electrolysis
  • Faraday’s laws of electrolysis
  • Application of electrolysis, e.g electroplating, calibration of ammeter etc.

Learning Objectives:

  • Distinguish between electrolytes and nonelectrolytes
  • Analyze the processes of electrolysis
  • Apply Faraday’s laws of electrolysis to solve problems

Gases

Content:

  • Discharge through gasses (qualitative treatment only)
  • Application of conduction of electricity through gasses

Learning Objectives:

  • Analyze discharge through gasses
  • Determine some applications/uses of conduction of electricity through gasses

38. ELEMENTARY MODERN PHYSICS

Elementary Modern Physics

Content:

  • Models of the atom and their limitations
  • Elementary structure of the atom
  • Energy levels and spectra
  • Thermionic and photoelectric emissions
  • Einstein’s equation and stopping potential
  • Applications of thermionic emissions and photoelectric effects
  • Simple method of production of x-rays
  • Properties and applications of alpha, beta and gamma rays
  • Half-life and decay constant
  • Simple ideas of production of energy by fusion and fission
  • Binding energy, mass defect and Einstein’s Energy equation (ΔE = ΔMC²)
  • Wave-particle paradox (duality of matter)
  • Electron diffraction
  • The uncertainty principle

Learning Objectives:

  • Identify the models of the atom and write their limitations
  • Describe elementary structure of the atom
  • Differentiate between the energy levels and spectra of atoms
  • Compare thermionic emission and photoelectric emission
  • Apply Einstein’s equation to solve problems of photoelectric effect
  • Calculate the stopping potential
  • Relate some application of thermionic emission and photoelectric effects
  • Interpret the process involved in the production of x-rays
  • Identify some properties and applications of x-rays
  • Analyze elementary radioactivity
  • Distinguish between stable and unstable nuclei
  • Identify isotopes of an element
  • Compare the properties of alpha, beta and gamma rays
  • Relate half-life and decay constant of a radioactive element
  • Determine the binding energy, mass defect and Einstein’s energy equation
  • Analyze wave particle duality
  • Solve some numerical problems based on the uncertainty principle and wave – particle duality

39. INTRODUCTORY ELECTRONICS

Introductory Electronics

Content:

  • Distinction between metals, semiconductors and insulators (elementary knowledge of band gap is required)
  • Intrinsic and extrinsic semiconductors
  • Uses of semiconductors and diodes in rectification and transistors in amplification
  • n-type and p-type semiconductors
  • Elementary knowledge of diodes and transistors

Learning Objectives:

  • Differentiate between conductors, semi-conductors and insulators
  • Distinguish between intrinsic and extrinsic semiconductors
  • Distinguish between electron and hole carriers
  • Distinguish between n-type and p-type semiconductor
  • Analyze diodes and transistor
  • Relate diodes to rectification and transistors to amplification

Recommended Textbooks

  • Ike, E.E. (2014). Essential Principles of Physics, Jos ENIC Publishers.
  • Ike, E.E. (2014). Numerical Problems and Solutions in Physics, Jos: ENIC Publishers.
  • Nelson, M. (1977). Fundamentals of Physics, Great Britain: Hart Davis Education.
  • Nelson, M. and Parker … (1989). Advanced Level Physics, (Sixth Edition): Heinemann.
  • Okeke, P.N. and Anyakoha, M.W. (2000). Senior Secondary School Physics, Lagos: Pacific Printers.
  • Olumuyiwa, A. and Ogunkoya, O. O. (1992). Comprehensive Certificate Physics, Ibadan: University Press Plc.

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