## Magnetc field due to toroid using Ampere’s circuital Law

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

## Magnetic Field due to a Straiight Solenoid using Ampere’s Circuital Law

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

## Magnetic Field due to infinite long carrying current straight wire using Ampere’s Circuital Law

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

## Ampere’s Circuitial Law

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

## Magnetic field due to a current carrying circular loop

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

## Magnetic field due to infinitely long current carrying straight wire

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

## Biot Savart Law

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

## Force on a current carrying conductor in a uniform magnetic field

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

## Electric Potential any point due to an Electric dipole

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

## Electric potential due to a point charge:

Let us consider a point charge q placed at O and we are to find potential due to this charge…