A solenoid of length 22.5 cm has a total of 900 turns and carries a current of 0.8 A. What is the magnetising field H near the centre and far away from the ends 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 50cm, having 100 turns carries a current of 2.5A. Find the magnetic field at one end of the solenoid.

A solenoid of length 0.5 m has a radius of 1 cm and is made up of 500 turns. It carries a current of 5 A. The magnetic field inside the solenoid is

A long solenoid has 200 turns per cm and carries a current of 2.5A. The magnetic field at its centre is

A solenoid of length 1*0m and 3*0cm diameter has five layers of windings of 850 turns each hand carries a current of 5 ampere. What is the magnetic field at the centre of the solenoid? Also calculate the magnetic flux for a cross-section of the solenoid at the centre of the solenoid.

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 solenoid is 2.0m long and 4.5 cm in diameter. It has five layers winding each of 900 turns each and carries a current of 7.5 A. what is magnetic field at the centre of the solenoid?