Motors, induction and transformers

JAMB Physics Revision Notes

  • Electricity and Magnetism
  • 2 min read
  • Checked by imtiaz ahmed

The d.c. motor, electromagnetic induction, Faraday's and Lenz's laws, generators, eddy currents, self-induction, transformers and the transmission of electrical power.

In these notes
  1. The d.c. motor
  2. Electromagnetic induction
  3. Generators
  4. Transformers
  5. Power transmission

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All Physics notes
  1. Measurement and Motion
    1. Quantities, units and measurements
    2. Scalars and vectors
    3. Speed, velocity and acceleration
    4. Equations of motion
    5. Projectiles
    6. Simple harmonic motion
    7. Circular motion
    8. Practical skills and graphs
  2. Forces, Energy and Machines
    1. Equilibrium of forces
    2. Linear momentum
    3. Work, energy and power
    4. Mechanical energy and machines
    5. Gravitational field
    6. Rockets and satellites
    7. Newton's laws of motion
    8. Friction and viscosity
    9. Energy sources and efficiency
  3. Properties of Matter
    1. Particle nature of matter
    2. Elastic properties of solids
    3. Crystal structure
    4. Fluids at rest and in motion
    5. Pressure in fluids
  4. Heat
    1. Expansion and heat transfer
    2. Temperature and its measurement
    3. Measurement of heat energy
    4. The gas laws
    5. Change of state and vapours
  5. Waves, Sound and Light
    1. Waves
    2. Sound waves
    3. Reflection of light
    4. Refraction of light
    5. Optical instruments
    6. Electromagnetic waves
    7. Lenses and image formation
  6. Electricity and Magnetism
    1. Electric charges
    2. Fields and their properties
    3. Electric field and simple circuits
    4. Coulomb's law and capacitance
    5. Current electricity
    6. Conduction through liquids and gases
    7. Magnetic field
    8. Motors, induction and transformers
    9. Simple a.c. circuits
    10. Electrical energy and power
  7. Modern Physics and Electronics
    1. Models of the atom
    2. Radioactivity and nuclear reactions
    3. Energy quantisation
    4. Wave-particle duality
    5. Basic electronics

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