The magnetic field on the axis of a long solenoid having n turns per unit length and carrying a current is

Find the magnetic intensity H at the centre of a long solenoid having n turns per unit length and carrying a current i (a) when no material is kept in it and (b) when a long copper rod is inserted in the solenoid.

Find the magnetic intensity H at the centre of a long solenoid having n turns per unit length and carrying a current i (a) when no material is kept in it and (b) when a long copper rod is inserted in the solenoid.

Find the magnetic intensity H at the centre of a long solenoid having n turns per unit length and carrying a current i (a) when no material is kept in it and (b) when a long copper rod is inserted in the solenoid.

The magnetic field (B) inside a long solenoid having n turns per unit length and carrying current / when iron core is kept in it is (mu_o = permeability of vacuum, chi = magnetic susceptibility)

The magnetic field B with in the solenoid having n turns per metre length and carrying a current of i ampere is given by

The magnetic field at a point on the axis of a long solenoid having 5 turns per cm length when a current of 0.8 A flows through it is

The magnetic field at a point on the axis of a long solenoid having 5 turns per cm length when a current of 0.8 A flows through it is

What will be the magnetic field at a point on the axis of a long solenoid containing 10 turns per cm length, when a current of 1 ampere flows through it ?