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A metal plate is getting heated. It can be because
(a) a direct current is passing through the plate
(b) it is placed in a time varying magnetic field
(c) it is placed in a space varying magnetic field, but does not vary with time 
(d) a current (either direct or alternating) is passing through the plate

Answers (1)

The correct answers are the options (a,b,c)

The heating of the plate can happen due to the following reasons; either it is placed in a magnetic field that possesses a relative motion or a direct current is passed through it.

Here, (a) is the option where DC current is passed through the plate. While b and c are the options where the magnetic field is having a relative motion with the plate.


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