MCQ
Electromagnets are made of soft iron because soft iron has
- Ahigh retentivity and low coercive force
- Blow retentivity and high coercive force
- ✓low retentivity and low coercive force
- Dhigh retentivity and high coercive force
✓
Answer
Correct option: C.
low retentivity and low coercive force
c
Electromagnets are made of soft iron because soft iron has low retentivity and low coercive force or low coercivity. Soft iron is a soft magnetic material.
Electromagnets are made of soft iron because soft iron has low retentivity and low coercive force or low coercivity. Soft iron is a soft magnetic material.
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