A circular loop of radius 9.7 cm carries a current 2.4A. Obtain the magnitude of the magnetic field:- at a distance of 9.7cm from the centre of the loop but on the axis. .

A circular loop of radius 9.7 cm carries a current 2.3A. Obtain the magnitude of the magnetic field:- centre of the loop .

A very long straight wire carries a current 5.2A. What is the magnitude of the magnetic field at a distance 3.1 cm from the wire?

A semicircular arc of radius 20 cm carries a current of 10 A calculates the magnitude of magnetic field at the centre of the arc.

A wire loop of the form shown the figure carries a current. Obtain the magnitude and direction of the magnetic field at P.

Calculate the magnitude of the magnetic induction due to a circular coil of 400 turns and radius 0.05 cm, carrying a current of 5A, at a point on the axis of the coil at a distance of 0.1 m from the centre of the coil.

A long straight wire carries a current of 35 A. What is the magnitude of the field (B) at a point 20 cm from the wire?

A circular coil having 50 turns each of radius 0.05 m carries a current of 1 A. The magnitude of magnetic induction at a point 0.2 m from its centre on its axis is