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 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 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 semicircular arc of radius 10 cm carrying current of 20 A. Calculate the magnitude of magnetic field at the centre of arc. What will be the direction of magnetic field of current flows in anticlockwise direction?

A flat circular coil of 70 turns and radius 10 cm carriers a current I. If the magnetic field at the centre of the coil is 0.003 wb//m^2 , find the value of current.

A solenoid of length 100 cm having 150 turns carries a current of 3A. Find the magnitude of magnetic field:- in the interior of the solenoid,

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

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 solenoid of 150 cm length having 300 turns carries a current of 4A. Find the magnitude of the magnetic field inside the solenoid.

A wire of length L carrying a current I is bent into a circle. The magnitude of the magnetic field at the centre of the circle is