1.

Assertion :- If s steel core is used ina transformer in place of soft iron core then hyesterisis losses are increased Reason :- Steel core is easily magnetised but it is easily not demagnetised by the alternating magnetic field.

Answer»

If the ASSERTION & Reason are True& the Reason is a correct explanation of the Assertion .
If both Assertion & Reason are True & the Reason is not a correct explanation of the Assertion.
If Assertion is True but the Reason is Fasle.
If both Assertion and Reason are FALSE .

Answer :C


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