EMF in Physics MCQs Quiz Online PDF Book Download

Emf in physics MCQs, emf in physics quiz answers to learn online college physics courses. Learn electromagnetic induction in physics multiple choice questions (MCQs), emf in physics quiz questions and answers. Career assessment test on electromagnetic induction, induction in physics, transformers, induced current and emf, emf in physics test prep for physics certifications.

Practice electromagnetic induction in physics test 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 choices 47 rad s-1, 49 rad s-1, 42 rad s-1, and 48 rad s-1 for online physics degree. Prepare assessment test for scholarships, online learning emf in physics quiz questions for competitive assessment in physics major. EMF in Physics Video

MCQ on EMF in PhysicsQuiz Book 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