Soft iron is used as core in transformer because. It has

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High retentivity, high permeability and low coercivity

Narrow hysteresis loop, high permeability, high coercivity

Wide hysteresis loop, high retentivity and high coercivity

Narrow hysteresis loop, low retentivity and low coercivity

answer is D.

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Detailed Solution

for temporary magnet energy loss depends on area of the hysteresis loop low coercivity assures easy demagnetization

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