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A bar magnet is rotated on a shaft near ...

A bar magnet is rotated on a shaft near to a coil which is connected to a resistor of resistance R as shown in the figure.

Which of the following changes does not increase the induced current in the coil?

A

Moving the magnet closer to the coil.

B

Turning the magnet in the opposite direction at the same speed.

C

Turning the magnet in the opposite direction at a greater speed.

D

Using a coil with more turns.

Text Solution

Verified by Experts

The correct Answer is:
B
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