An iron rod of length 20 cm and diameter 1 cm is placed inside a solenoid on which the
Channel: Doubtnut
Date: 2020-06-14

An iron rod of length 20 cm and diameter 1 cm is placed inside a solenoid on which the number of turns is 600.The relative permeability of the rod is 1000.If a current of 0.5 A ios placed in the solenoid,then magnetisation of the rod will be