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प्रश्न
Why is soft iron used in the core?
विकल्प
It has low permeability and produces flux leakage
It replaces the need for a primary coil
It has low hysteresis loss and high permeability
It has high hysteresis loss and low permeability
MCQ
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उत्तर
Soft iron is used because it has low hysteresis loss and high permeability. These are the stated properties of the core material.
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