The figure shows certain wire segments joined together to form a co-planar loop. The loop is placed in a perpendicular magnetic field in the direction going into the plane of the figure. The magnitude of the field increases with time and $I_{1} & I_{2}$ are the currents in the segment ab &cd. Then,

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$I_{1} > I_{2}$

$I_{1} is in the direction baand I_{2} is in the direction dc$

$I_{1} < I_{2}$

$I_{1} is in the direction baand I_{2} is in the direction cd$

answer is D.

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Detailed Solution

Cross $\otimes$ magnetic field passing from the closed loop is increasing, therefore from Lenz’s law, induced current will produce dot $⊙$ magnetic field. Hence, induced current is anti- clockwise. So, $I_{1}$ current is flowing from b to a and $I_{2}$ current is flowing from d to c.

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