Assertion :The direction of induced emf is always such as to oppose the change that causes it. Reason: Conservation of energy applies to know the direction of induced emf.
A
Both Assertion and Reason are correct and Reason is the correct explanation for Assertion
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B
Both Assertion and Reason are correct but Reason is not the correct explanation for Assertion
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C
Assertion is correct but Reason is incorrect
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D
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 A. Both Assertion and Reason are correct and Reason is the correct explanation for Assertion.
The direction of induced emf is always such as to oppose the change that cause it is called Lenz's Law. Lenz's Law consequence of the Law of conservation of energy.