A magnet is moved in the direction indicated by an arrow between two coils AB and CD as shown. What is the direction of induced current in each coil?
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As the north pole of the magnet is moving away from the coil AB so according to the Lenz law the
the face of coil AB nearest to the North-pole will act like a south pole, So current in coil AB will
flow clockwise as seen from the B-side of the coil, Hence the direction of current in coil AB will be A and B.
Again the south pole of the magnet is moving if moving towards the coil CD. So to oppose the induced emf
the face of the coil near the S-pole will as S-pole, and the current in the coil as seen from the D side of the
a coil will be in an anticlockwise direction, therefore the current will from side D to C.
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