An air-solenoid has 500 turns of wire in its 40 cm length. If the current in the wire be 1.0 ampere then the magnetic field on the axis inside the solenoid is -

A thin solenoid of length 0.4 m and having 500 turns of wire carries a current 1A ,then find the magnetic field on the axis inside the solenoid.

A thin solenoid of length 0.4 m and having 500 turns of wire carries a current 1A ,then find the magnetic field on the axis inside the solenoid.

A solenoid 1.5 m long and 0.4 cm in diameter possesses 10 turns per cm length. A current of 5 A falls through it. The magnetic field at the axis inside the solenoid is

A solenoid 1.5 m long and 0.4 cm in diameter possesses 10 turns per cm length. A current of 5 A falls through it. The magnetic field at the axis inside the solenoid is

A wire is wound on a long rod of material of relative permeability mu_(r) = 4000 to make a solenoid. If the current through the wire is 5 A and number of turns per unit length is 1000 per metre, then the magnetic field inside the solenoid is

A wire is wound on a long rod of material of relative permeability mu_(r) = 4000 to make a solenoid. If the current through the wire is 5 A and number of turns per unit length is 1000 per metre, then the magnetic field inside the solenoid is

A solenoid of length 50 cm and a radius of cros section 1 cm has 1000 turns of wire wound over it if the current carried is 5A the magnetic field on its axis near the centre of the solenoid is approximately (Given permeability of free space mu_(0)=4pi xx10^(-7) T-mA^(-1) )

A solenoid consists of 250 turns of wire and has a length of 20 cm. Calculate the magnitude of the magnetic field inside the solenoid if it carries a current of 1A.

A solenoid of length 2m and of radius 1 cm has a winding carrying a current of 0.1 ampere per turn. Find the magnetic field strength inside the solenoid if the total number of turns is 2000.

A wire is wound on a long rod of material of relative permeability mu_(r)=4000 to make a solenoid.If the current through the wire is 5A and number of turns per unit length is 1000 per metre,then the magnetic field inside the solenoid is: