Electromagnetic Induction-II Physics Test Series IIT JEE

Test Preparation on Electromagnetic Induction-II-Physics Test Series IIT JEE-2020

1.

The magnetic potential energy stored in a certain inductor is
25 mJ, when the current in the inductor is 60 mA. This
inductor is of inductance

10.138 H
2138.88 H
31.389 H
413.89 H

2.

A boat is moving due east in a region where the earth's
magnetic field is 5 1 1 5.0 ´10- NA- m- due north and
horizontal. The boat carries a vertical aerial 2m long. If the
speed of the boat is 1 1.50ms- , the magnitude of the
induced emf in the wire of aerial is

11 mV
20.75 mV
30.50 mV
40.15 mV

3.

11
22
33
44

Check your progress:


Right Ans	Wrong Ans	Not Attempted

Prev Question Next Question Show Answer