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Question

Physics Question on Inductance

A conducting square loop of side L and resistance R moves in its plane with a uniform velocity v perpendicular to one of its sides. A magnetic induction B, constant in time and space, pointing perpendicular to and into the plane of the loop exists everywhere.The current induced in the loop is

A

BLv /R clockwise

B

BLv/R anti-clockwise

C

2BLv/R anti-clockwise

D

zero

Answer

zero

Explanation

Solution

Net change in magnetic flux passing through the coil is zero.
\therefore Current (or emf) induced in the loop is zero