A solenoid of length 1 m and radius 2 cm has 10 turns. A current of 10 A is flowing through it. The

Question

A solenoid of length 1 m and radius 2 cm has 10 turns. A current of 10 A is flowing through it. The magnetic field produced by the solenoid, when a core of permeability 100 is introduced into it will be\

Professor PC Thomas Classes · Answer

$B=\mu_{0} \mu_{r} n I$\