Electric Motors MCQs Test and Answers pdf Download

Practice electric motors MCQs and science for test prep and learning. Free electrical circuits and electric currents notes has multiple choice questions (MCQ) with electric motors quiz as to make coil keep rotating, current is reversed every half turn by a device called with answering options brush, commutator, mutator and carbon spring for exam preparation. Study to learn electric motors quiz with MCQs to find questions answers based online tests.

MCQs on Electric Motors

MCQ. To make coil keep rotating, current is reversed every half turn by a device called

  1. brush
  2. commutator
  3. mutator
  4. carbon spring

B

MCQ. This will be attracted or repelled by

  1. another magnet
  2. electric current
  3. resistors
  4. dynamos

A

MCQ. Electric motors change electrical energy into

  1. potential energy
  2. thermal energy
  3. sound energy
  4. kinetic energy

D

MCQ. Many machines we use are powered by

  1. thermal energy
  2. sound energy
  3. electric motors
  4. dynamos

C

MCQ. Magnetic field of coil and permanent magnet

  1. attract each other
  2. repel each other
  3. combine with each other
  4. cross each other

B