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This device converts mechanical energy into electrical energy. It is a reverse of the electric  motor. It contains a coil […]

This is a device which can convert electric energy into rotational mechanical energy. It consists of coils of wire pivoted […]

The electromagnetic field is a combination of the electric field and the magnetic field. The electric  field component is produced […]

The magnetic field exerts a force on a charge moving in the field because charges in motion constitute an electric […]

n a magnetic needle or a bar magnet is freely suspended, it comes to rest roughly in the N-S poles […]

A magnet is a piece of material that can attract iron and other ferromagnetic material. Generators used in production of […]

Magnetic field is a region around a magnet where magnetic influence is experienced or felt. It is  also a region […]

Electromagnetic Induction Michael Faraday in 1832, at the age of 41 discovered that electricity could be produced without any  battery […]

1. Moving-Coil Galvanometer Components of a Moving-Coil Galvanometer A rectangular coil with many turns. A powerful magnetic field between the curved […]

The below rules govern the direction of the magnetic field round the current-carrying conductors. 1. Maxwell: If a right handed cork […]