Compare soft magnetic materials and hard magnetic materials.

2 Answers

Answer :

Hard magnetic materials
Soft magnetic materials
They have low resistivity
They have high resistivity
They have high coercivity.
They have low coercivity
They have high residual magnetism
They have low residual magnetism.
They have high (B*H) energy
They have low (B*H) energy
They have high retentivity.
They have low retentivity
They cannot be easily magnetized
They are easily magnetized.
They have wide hysteresis loop.
They have narrow hysteresis loop.

Answer :

Sr. No.
Soft magnetic materials 
Hard magnetic materials 
1 It has high resistivity
It has low resistivity
2 It has low coercivity
It has high coercivity
3 It has low residual magnetism
It has high residual magnetism
4 It is easily magnetized
It is not easily magnetized.

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