A toroid is an endless ring shaped solenoid.Consider a toroid having n turns per unit length through which current i…

A solenoid consists of an insulated long wire closely wound in the form of a helix, whose length is very…

Consider a circular wire of radius a and of infinite length. A steady current I is flowing through it. A…

Ampere circuital law states that the line integral of magnetic field around any closed path in vacuum is equal to…

Let us consider a circular coil of radius a with centre O and the plane of the coil is perpendicular…

Let us consider a long straight conductor XY in the plane of the paper carrying current i in the direction…

Statement The magnetic field at a point due to a current element of a conductor is (i) directly proportional to…

Current through a conductor is due to the motion of free electrons in it in a definite direction. If such…

Let an electric dipole consist of two equal and unlike point charges -q and +q at A and B respectively…