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The EMF in Physics Multiple Choice Questions (MCQ Quiz) with Answers PDF, EMF in Physics MCQ PDF e-Book download to practice Applied Physics Tests. Learn Electromagnetic Induction in Physics Multiple Choice Questions and Answers (MCQs), EMF in Physics quiz answers PDF to study online classes 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 GRE prep classes.

The MCQ: Whenever magnetic flux linked with a coil changes, induced EMF in circuit will change; "EMF in Physics" App Download (Free) with answers: For a short time; For a long time; Forever; As long as change in flux; to study online classes courses. Practice EMF in Physics Quiz Questions, download Google eBook (Free Sample) for best online ACT prep class.

## 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