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Question

In the given figure current from A to B in the straight wire is decreasing. The direction of induced current in the loop is
942333_ccc1502c0a044488a9f917ebc27fffbc.png

A
clockwise
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B
anticlockwise
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C
changing
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D
nothing can be said
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Solution

The correct option is B anticlockwise
When the current in the wire AB decreases, the magnetic flux linked with the loop (which is out of the page) will decrease. Hence, the current induced in the loop must be anticlockwise to oppose the decrease in magnetic flux.

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