A) does not deflect
B) deflects for a very short time and then comes back to the original position
C) deflects and remains deflected as long as the battery is connected
D) deflects and gradually comes to the original position in a time which is large compared to the time constant
Correct Answer: D
Solution :
During the charging of capacitor, electric field in between the plates of capacitor is varying, as a result a magnetic field is produced which causes the deflection in compass needle.
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