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प्रश्न
Assertion: A transfonner cannot work on D.C. supply.
Reason: D.C. changes neither in magnitude nor in direction.
पर्याय
If both assertion and reason are true and the reason is the correct explanation of the assertion.
If both assertion and reason are true but reason is not the correct explanation of the assertion.
If assertion is true but reason is false.
If assertion is false but reason is true.
MCQ
उत्तर
If both assertion and reason are true and the reason is the correct explanation of the assertion.
Explanation:
Transformers operate solely on alternating current (AC), which fluctuates in amplitude as well as direction.
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