EMF in Physics MCQs Quiz Online PDF Download

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Study bachelor's and master's degree courses, online physics degree programs MCQs: square coil of side 16 cm having 200 turns rotating in magnetic field of 0.05 t with peak emf of 12 v will produce angular velocity of with options 47 rad s-1, 49 rad s-1, 42 rad s-1 and 48 rad s-1 for online teaching resources with trivia questions to help in teaching strategies. Free skills assessment test is for online learning emf in physics quiz questions with MCQs, exam preparation questions and answers. EMF in Physics Video

MCQs on EMF in PhysicsQuiz PDF Download

MCQ: Square coil of side 16 cm having 200 turns rotating in magnetic field of 0.05 T with peak EMF of 12 V will produce angular velocity of

  1. 47 rad s-1
  2. 49 rad s-1
  3. 42 rad s-1
  4. 48 rad s-1

A

MCQ: Whenever magnetic flux linked with a coil changes, induced EMF in circuit will change

  1. for a short time
  2. for a long time
  3. forever
  4. as long as change in flux

D

MCQ: An EMF of 5.6 V is induced in a coil while current in coil is decreased from 100 A to 20 A in 0.02 s, its mutual induction will be

  1. 1.4 × 10-3
  2. 2.4 × 10-3
  3. 3.4 × 10-3
  4. 4.4 × 10-3

A

MCQ: Back EMF is 120 V when motor is turning at 1680 revs per min. back EMF when motor rotates at 3360 revs per min, will be

  1. 220 V
  2. 240 V
  3. 260 V
  4. 280 V

B

MCQ: Michael Faraday observed that EMF was set up in a conductor in year of

  1. 1831
  2. 1832
  3. 1840
  4. 1842

A