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A metal plate is getting heated . It can...

A metal plate is getting heated . It can be because

A

passing either a direct or alternating current through the plate.

B

placing in time varying magnetic field.

C

placing in a space varying magntic field, but does not vary with time.

D

both (a) and (b) are correct.

Text Solution

Verified by Experts

The correct Answer is:
D
When a metal plate is getting heated, it may be due to the passage of dirctor current, alternating current or even induced current throug the plate. As time varying magnetic field produces induced current in the plate, so boht (a) and (b) are correct
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