The radius of the circular conducting loop shown in figure is $R$ . Magnetic field is decreasing at a constant rate $\alpha$ . Resistance per unit length of the loop is $\rho$ . Then current in wire $A B$ is ( $A B$ is one of the diameters)

Question

The radius of the circular conducting loop shown in figure is

R

. Magnetic field is decreasing at a constant rate

\alpha

. Resistance per unit length of the loop is

\rho

. Then current in wire

A B

is (

A B

is one of the diameters) The radius of the circular conducting loop shown in figure is R . Magnetic field is decreasing at a constant rate α .

Quantrex Academy · Accepted Answer

Correct answer: D. zero

As per Lenz's law, e.m.fs of the same magnitude are induced in the two loops in the clockwise direction. Thus current is induced

The radius of the circular conducting loop shown in figure is R ....