Soft iron is used in electromagnets because it:

  1. magnetises strongly and loses its magnetism when the current stops
  2. stays magnetised permanently
  3. doesn't magnetise
  4. is a good insulator
Answer

A) magnetises strongly and loses its magnetism when the current stops

Soft magnetic material. SLO P-09-E-36 · Knowledge

Physics MCQ · More Magnetism and Electromagnetic Induction MCQs · Practise