Electric motor converts mechanical energy into electrical energy.

What is the difference between a direct current and an alternating current? How many times does $AC$ used in India change direction in one second?

In order to find the force experienced by a current-carrying conductor,we can use Maxwell's corkscrew rule.

How is the induced current in a secondary coil related to the current in a primary coil?

In which of the following cases will maximum electric current be induced in the loop?

Why does a magnetic compass needle pointing North and South in the absence of a nearby magnet get deflected when a bar magnet or a current carrying loop is brought near it? Describe some salient features of magnetic lines of field concept.