A long solenoid has 1000 turns per metre and carries a current of 1 A . It has a soft iron core of `mu_(r)=1000` . The core is heated beyond Curie temperature `T_(c)` .

A long solenoid has 1000 turns per metre and carries a current of 1A . It has a soft iron core of mu_r=1000 . The core is heated beyond the Curie temperature, T_c .

A long solenoid has 1000 turns per metre and carries a current of 1A . It has a soft iron core of mu_r=1000 . The core is heated beyond the Curie temperature, T_c .

A long solenoid has 1000 turns per meter and carries a current of 1 A. It has a soft iron core of mu_(r) = 1000 . The core is heated beyond the Curie temperature, T_(C) .

A long solenoid has 1000 turns per metre and carries a curent of 1A. It has a soft iron of mu_1 =1000 . The core is heated beyond the Curie temperature T_c .

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 500turns per meter is carrying a current of 3A . Its core is made of iron, which has a relative permeability of 5000 . Determine the magnitudes of magnetic intensity, intensity of magnetization and magnetic field inside the core.