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Free EMF in Physics Multiple Choice Questions (MCQ Quiz) with Answers (EMF in Physics MCQ PDF Book) download to learn physics online courses. Study Electromagnetic Induction in Physics Multiple Choice Questions and Answers (MCQs), EMF in Physics quiz answers PDF to study e-learning courses. The EMF in Physics MCQ App Download: Free learning app for ac and dc generator, transformers, emf in physics, physics questions and answers test prep for ACT prep classes.

The 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; "EMF in Physics" App Download (Free) with answers 47 rad s-1, 49 rad s-1, 42 rad s-1 and 48 rad s-1 to study e-learning courses. Practice emf in physics quiz questions, download Amazon eBook (Free Sample) for colleges that offer online degrees.

## EMF in Physics MCQs: Questions and Answers

MCQ 1: 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

MCQ 2: Whenever magnetic flux linked with a coil changes, the induced EMF in the circuit will change

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

MCQ 3: 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

MCQ 4: Back EMF is 120 V when motor is turning at 1680 revs per min. The back EMF when motor rotates at 3360 revs per min, will be

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

MCQ 5: Michael Faraday observed that EMF was set up in a conductor in the year of

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

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