A long solenoid with 40 turns per cm carries a current of 1 A. The magnetic energy stored per unit volume is..... J `m^(-3)`.

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 inductance 2 H carries a current 1 A. what is the magnetic energy stored in a solenoid?

A long solenoid has 200 turns per cm and carries a current of 2.5 amps. The magnetic field at its centre is (mu_(0)=4pixx10^(-7)"weber"//amp-m)

The energy stored per unit volume of a strained wire is

A long solenoid has 20 turns per cm and carries a current i. the magnetic field at its centre is 6.28xx10^(-2)Wb//m^(2) . Another long solenoid has 100 turns per cm and it carries a current i//3 . The value of the magnetic field at its centre is

A long solenoid has 200 turns per cm and carries a current i . The magnetic field at its centre is 6.28xx10^(-2) weber//cm^(2) . Another long soloenoid has 100 turns per cm and it carries a current (i)/(3) . The value of the magnetic field at its centre is

A long solenoid of 50 cm length having 100 turns carries a current of 2.5A. The magnetic field at centre of solenoid is: