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A resistance R is connected between the ...

A resistance `R` is connected between the two ends of the parallel smooth conducting rails.A conducting rod lies on these fixed horizontal rails and a uniform constant magnetic field `B` exists perpendicular to the plane of the rails as shown in the figure.If the rod is given a velocity `v` and released as shown in figure, it will stop after some time, which option are correct:

A

The total work done by magnetic field is negative.

B

The total work done by magnetic field is positive.

C

The total work done by magnetic field is zero.

D

loss in kinetic energy of conducting rod is equal to heat generate between `R`.

Text Solution

Verified by Experts

The correct Answer is:
C, D
Magnetic field cannot do work
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