Question

What will you prefer-soft iron or steel, to make an electomagnet? give reason​

Answer 1

Answer:

Soft iron core is used in electromagnets because they get easily magnetised/demagnetised when current is flowing or not flowing along the solenoid. Whereas, steel is a permanent magnet and does not lose it's magnetization even when the current is switched off. Hence, soft iron core is preferred over steel core.