Question
A conducting circular loop is placed in a uniform magnetic field, B = 0.0025 T with its plane perpendicular to the loop. The radius of the loop is made to shrink at a constant rate of 1 mms-1. The induced emf when the radius is 2 cm, is
-
2 πμ V
-
πμ V
-
πμ V/2
-
2μV
Solution
B.
πμ V
