A solenoid of length 30 cm, having 150 turns carries of 2.1 A. calculate the magnitude of magnetic field in the interior of the solenoid.

A solenoid of length 50cm, having 100 turns carries a current of 2.5A. Find the magnetic field in the interior of the solenoid.

A solenoid of length 'l' having n turns carries current 'I'. Deduce the expression for the magnetic field in the interrior of the solenoid.

A solenoid of length 50cm, having 100 turns carries a current of 2.5A. Find the magnetic field at one end of the solenoid.

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

A circular coil of wire consisting of 80 turns, each of radius 8 cm, carries a acurrent of 0.5 A. Calculate the magnitude of magnetic field B at the centre of the coil.

A solenoid 50 cm long has 4 layers of winding of 350 turns each. If the current carried is 6.0 A, estimate the amgntiude of magnetic field near the centre of the solenoid on its axis