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(B) According to Faraday's law of electromagnetic induction,a change in magnetic flux through a loop induces an $EMF$.Lenz's law states that the direc

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anti-clockwise

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(B) According to Faraday's law of electromagnetic induction,a change in magnetic flux through a loop induces an $EMF$.Lenz's law states that the direction of the induced current is such that it opposes the change in magnetic flux that produced it.In the given figure,the magnetic field $\vec{B}$ is directed into the plane of the paper (represented by crosses) and is increasing with time.This means the magnetic flux linked with the loop,which is directed inwards,is increasing.To oppose this increase,the induced current must create a magnetic field that points outwards (out of the plane of the paper).According to the right-hand thumb rule,for the magnetic field to point outwards,the induced current must flow in an anti-clockwise direction.Therefore,the correct option is $B$.

$A$ conducting loop is kept perpendicularly in an increasing magnetic field,as shown in the figure. The direction of the induced current in the loop will be:

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