An iron rod of volume `10^-4m^3` and relative permeability `1000` is placed inside a long solenoid wound with 5 turns/cm. If a current of `0*5A` is passed through the solenoid, find the magnetic moment of the rod.

An iron rod of volume 10^(-4)m^(3) and relative permeability 1000 is placed inside a long solenoid wound with 5 turns"/"cm . If a current of 0.5 A is passed through the solenoid, then the magnetic moment of the rod is

An iron rod of volume 10^(-4)m^(3) and relative permeability 1000 is placed inside a long solenoid wound with 5 "turns"//"cm" . If a current of 0.5 A is passed through the solenoid, then the magnetic moment of the rod is

An iron rod of volume 10^(-4)m^(3) and relative permeability 1000 is placed inside a long solenoid wound with 5 "turns"//"cm" . If a current of 0.5 A is passed through the solenoid, then the magnetic moment of the rod is

An iron rod of volume 10^(-4) m^(3) and relative permeability 900 is placed inside a long solenoid wound with 6 turns/cm. If a current of 0.4 A is passed through the solenoid, the magnetic moment of the rod is

An iron rod of length 0.5 m, radius 0.02 m having relative permeability 120 is placed inside a long solenoid carrying a current of 0.8 A. If the solenoid has 250 turns m^-1 , find the magnetic dipole moment acquired by the iron rod.

A solenoid length 0.4cm, radius 1 cm and 400 turns of wire. If a current of 5 A is passed through this solenoid, what is the magnetic field inside the solenoid ?

An iron rod of length 0.5 m, radius 0.02 m having relative permeability 120 is placed inside a long solenoid carrying a current of 0.8 A. If the solenoid has 250 turns m^-1 , find the intensity of magnetisation