Consider the conducting square loop shown in the figure. In the given adjacent circuit , the switch is closed and after some time it is opened again, the closed loop will show-
A
A clockwise current-pulse
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B
An anticlockwise current-pulse
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C
An anticlockwise current-pulse and then a clockwise current-pulse
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D
A clockwise current-pulse and then an anticlockwise current-pulse
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Solution
The correct option is B An anticlockwise current-pulse According to lenz's law, an anti-clock wise current is induced in the conducting loop , to oppose the change in the magnetic flux linked with loop as shown in figure.
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Hence, (B) is the correct answer.