JAMB Physics 1988 Question 47

Question 47

Electromagnetic Induction

A dynamo primarily converts

  1. A.mechanical energy into electrical energy
  2. B.electrical energy into kinetic energy
  3. C.potential energy into kinetic energy
  4. D.kinetic energy into potential energy.
Show the answer and explanation

Answer: A (mechanical energy into electrical energy)

Explanation

A dynamo (generator) turns the mechanical energy of rotation into electrical energy.