Q.
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 and into the plane of the loop exists everywhere with part of the loop outside the field, as shown in figure. The induced emf is
A) $BvR$
B) $vBL/R$
C) $vBL$
D) $BLv/2$
Explanation
(c) As magnetic flux linked with the loop is changing, emf induced in the loop is $e = BLv$.
Reviewed by Dr. Abubacker
Physics Educator & NEET/JEE Specialist
Ph.D. in Physics with 19+ years of teaching experience.