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EMF in Physics MCQ with Answers PDF

Practice EMF in Physics Multiple Choice Questions (MCQ), applied physics quiz answers PDF with live worksheets for online degrees. Solve electromagnetic induction in physics Multiple Choice Questions and Answers (MCQs), EMF in Physics quiz questions bank for colleges that offer online classes. "EMF in Physics MCQ" PDF book: ac and dc generator, transformers, emf in physics, physics questions and answers test prep for ACT prep classes.

"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" Multiple Choice Questions (MCQ) on emf in physics with choices 47 rad s-1, 49 rad s-1, 42 rad s-1, and 48 rad s-1 for colleges that offer online classes. Solve emf in physics quiz questions for merit scholarship test and certificate programs for colleges that offer online degrees.

MCQs on EMF in Physics

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

47 rad s-1
49 rad s-1
42 rad s-1
48 rad s-1

2.

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

for a short time
for a long time
forever
as long as change in flux

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

1.4 × 10-3
2.4 × 10-3
3.4 × 10-3
4.4 × 10-3

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

220 V
240 V
260 V
280 V

5.

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

1831
1832
1840
1842