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"EMF can be induced in a circuit by" Multiple Choice Questions (MCQ) on electromagnetic induction with choices changing area of circuit, changing magnetic flux density, changing the angle, and all of above for GRE subject test tutoring. Practice electromagnetic induction: physics quiz questions for jobs' assessment test and online courses for SAT prep classes.

MCQ: EMF can be induced in a circuit by

1. changing magnetic flux density
2. changing area of circuit
3. changing the angle
4. all of above

D

MCQ: A straight wire of length 0.20 m moves at a steady speed of 3.0 ms-1 at right angles to the magnetic field of flux density 0.10 T. The EMF induced across ends of wire is

1. 0.5 V
2. 0.06 V
3. 0.05 V
4. 0.04 V

B

MCQ: By accelerating the magnet inside the coil, the current in it

1. increases
2. decreases
3. remains constant
4. reverses

A

MCQ: Consequence of motor effect is

1. electromagnetic induction
2. current
3. voltage
4. EMF

A

MCQ: Total number of magnetic field lines passing through an area is called

1. magnetic flux density
2. magnetic flux
3. EMF
4. voltage

B