Question

1. A conducting circular loop is placed in a uniform
magnetic field B = 0·020 T with its plane perpendicular
to the field. Somehow, the radius of the loop starts
shrinking at a constant rate of 1:0 mm s . Find the
induced emf in the loop at an instant when the radius
is 2 cm.​

Answer 1

Answer:

1. A conducting circular loop is placed in a uniform

magnetic field B = 0·020 T with its plane perpendicular

to the field. Somehow, the radius of the loop starts

shrinking at a constant rate of 1:0 mm s . Find the

induced emf in the loop at an instant when the radius

is 2 cm.