Easy MCQ +4 / -1

Soft iron is preferred for electromagnet cores because it has:

  1. A high retentivity, high coercivity
  2. B low retentivity, low coercivity Correct answer
  3. C low permeability
  4. D high coercivity only

Solution

Soft iron's narrow hysteresis loop means low losses and easy demagnetization.

About this question

Subject: Physics · Chapter: Magnetism · Topic: Hysteresis

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