If the radius of a coil is changing at the rate of `10^(-2)` unit in a normal magnetic field of `10^(-3)` units, the induced emf is `1muV`. What the final radius of the coil?

The radius of a coil s changing at the rate of 10^-2 units in a normal magnetic field of 10^-3 units and the induced e.m.f. is 1muV . Find the final radius of the coil.

A coil intercepts a magnetic flux of 0.2 xx 10^(-2) Wb in 0.1 s. What is the emf induced in the coil ?

If a current of 10 A changes in one second throught a coil, and the induced emf is 10 V, then the self-inductance of the coil is

The radius of a circular coil having 50 turns is 2 cm. Its plane is normal to the magnetic field. The magnetic field changes from 2T to 4T in 3.14 sec. The induced emf in coil will be :-

The radius of a circular coil having 50 turns is 2 cm. Its plane is normal to the magnetic field. The magnetic field changes from 2T to 4T in 3.14 sec. The induced emf in coil will be :-

The radius of a circular coil having 100 turns is 2 cm. its plane is normal to the magnetic field. The magnetic field changes from 4T to 8T in 3.14 sec. The induced emf in coil will be

In a coil when current changes from 10 A to 2A in time 0.1 s, induced emf is 3.28 V. What is the self-inductance of coil?

What is the change in magnetic flux produced in a coil in 25 s, if the induced e.m.f. In the coil is 2 mV ?