MCQ
Electromagnets are made of soft iron because soft iron has:
- AHigh retentivity and high coercive force.
- BHigh retentivity and low coercive force.
- CLow retentivity and high coercive force.
- DLow retentivity and low coercive force.
✓
Answer
- Low retentivity and low coercive force.
Explanation:
Electro magnets arc made of soft iron because soft iron has Low retentivity and Low coercive force.
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