Assertion :Soft iron is used as transformer core. Reason: Soft iron has narrow hysteresis loop.

Both Assertion and Reason are correct and Reason is the correct explanation for Assertion

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Both Assertion and Reason are correct but Reason is not the correct explanation for Assertion

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Assertion is correct but Reason is incorrect

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Both Assertion and Reason are incorrect

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Solution

The correct option is A Both Assertion and Reason are correct and Reason is the correct explanation for Assertion
In a transformer, soft iron is used as a core to increase the magnetic field and it helps in saving the energy. Hence, soft iron has narrow hysteresis loop.
The correct option is A.

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