Electric Motors MCQs Quiz and Answers Tests pdf Download

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

MCQs on Electric Motors Quiz pdf Download

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