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Question

In the arrangement shown in given figure current from A to B is increasing in magnitude. Induced current in the loop will


A

have clockwise direction

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B

have anticlockwise direction

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C

be zero

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D

oscillate between clockwise and anticlockwise

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Solution

The correct option is A

have clockwise direction


We have ind=ddtϕ. The flux lines are coming out of the plane of the loop (using right hand rule) and hence ϕ is + ve as the current is increasing ddt is also + ve. Thus
ind = – (+) (+) = –
Since ind is – ve the induced current is clockwise.


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