Question

A conductive circular loop is placed in a uniform magnetic field of 0.04 Tesla with its plane perpendicular to the magnetic field the radius of the loop is starts shrinking at 2 mm/s the induced EMF in the loop when the radius is 2 cm is (A)4.8πuv
(B)0.8πuv
(C)1.6πuv
(D)3.2πuv

Answer 1

I hope this helps (θ‿θ)