Using Biot-Svart's law, derive the expression for the magnetic field in vector form at a point on the axis of a circular current loop.

Using Biot-Savart’s law, derive an expression for magnetic field at any point on axial line of a current carrying circular loop. Hence, find magnitude of magnetic field intensity at the centre of circular coil.

Use Biot-Savart law to derive the expression for the magnetic field on the axis of a current carrying circular loop of radius R . Draw the magnetic field lines due to circular wire carrying current I .

(a) Using Biot-Savart's law, derive an expression for the magnetic field at the centre of a circular coil of radius R, number of turns N, carrying current. (b) Two small identical circular coils marked 1,2 carry equal currents and are placed with their geometric axes perpendicular to each other as shown in the figure. Derive an expression for the resultant magnetic field at O.

A current loop in a magnetic field

Biot Savart's law deals with the magnetic field induction at a point due to a………………. .

State the Biot-Savart law. Use it to obtain an expression for magnetic field at the centre of a current carrying circular loop.