A conducing circular loop is placed in a uniform magnetic field of indution `B` tesla with its plane normal to the field. Now, radius of the loop starts shrinking at the rate `(dr//dt)`. Then the induced e.m.f. at the instant when the radius is `r` is:

A conduction circular loop is placed in a uniform magnetic field 0.02T with its place normal to the field . The radius of loop starts shrinking at a rate of 1.0 mm//sec . Then induced emf in the loop at an instant when the radius is 2 cm :-

A conducting circular loop is placed in a uniform magnetic field of 0.04 T with its plane perpendicular to the field. Some how, the radius of the loop starts shrinking at a constant rate of 2 mm/s. Find the induced emf in the loop at an instant when the radius becomes 2 cm solution.

A conducing circular loop is placed in a uniform magnetic field of 0.02 T, woth its plane perpendicular to the field. If the redius of the loop starts shrinking at a constant rate of 1.0 mm//s , then find the emf induced in the loop, at the instant when radius is 4 cm.

A conducting circular loop is placed is a uniform magnetic field B =0.20 T with its plane perpendicualr to the field . Somehow, the radius of the loop starts shrinking at a constant rate of 1.0 mm s^(-1). Find the induced emf in the loop at an instant when the radius is 2 cm.

A conductlng circular loop is placed in a uniform magnetic field 0.04 T with its plane perpendicular to the magnetic field. The radius of the loop starts shrinking at 2 mm//s . The induced emf in the loop when the radius is 2 cm is:

A conducting circular loop is placed is a uniform magnetic field B =0.20 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^(-1) . Find the induced emf in the loop at an instant when the radius is 2 cm.

A conducting circular loop is placed is a uniform magnetic field B =0.20 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^(-1) . Find the induced emf in the loop at an instant when the radius is 2 cm.

A conducting circular loop is placed in a uniform magnetic field 0.04T with its plane perpendicular to the magnetic field. The radius of the loop starts shrinking at 2mm//sec . The induced emf in the loop when the radius is 2cm is

A conducting square loop is placed in a magnetic field B with its plane perpendicular to the field. Now the sides of the loop start shrinking at a constant rate alpha. the induced emf in the loop at an instant when its side is a is