Derive an expresion for the magnetic field at any point on the axis of a circular current loop.

For a circular coil of radius R and N turns carrying current. Prove that the magnitude of the magnetic field at a point on its axis at a distance X from its centre is given by B=(mu_0IR^2N)/(2(x^2+R^2)^(3//2))

Show magnetic field lines for current carrying loop. Write rule for finding the direction of a magnetic field due to a circular current loop.

Write the equation of magnetic field on the axis of current carrying finite solenoid.

Find the distance at which the magnetic field on axis as compared to the magnetic field at the centre of the coil carrying current I and radius R is 1/8 .

According to Biot-Savart law magnetic field _______ at point of axis of wire.

State how the strength of the magnetic field produced at the centre of a coil by a current through the circular coil can be increased.

There are 50 turns per cm length in a very long solenoid. It carries a current of 2.5A. The magnetic field at its centre on the axis is ______ T.

Discuss the magnetic field due to a current -carrying circular loop.

Derive equation of magnetic field inside a long straight solenoid.

State the effect on the strength of the magnetic field produced at a point near a straight conductor if the electric current flowing through it increases .