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Q.

Figure shown, plane figure made of conductor located in a magnetic field along the inward normal to the plane. The magnetic field starts diminishing. Then, the induced current

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a

at point R is zero

b

at point P is clockwise

c

at point Q is clockwise

d

at point Q is anticlockwise

answer is A, C, D.

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Detailed Solution

According to Lenz's law, induced current at point P and Q is clockwise.

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Since the conductor MN is stationary , no motional emf is induced in it , so vM-vN=0 and hence IR=0.

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