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Assertion: In an AC, only capacitor circuit has instaneous power equal to zero at any instant of time. Reason: Phase difference current function and voltage function is `90^(@)`.A. If both Assertion and Reason are true and Reason is the correct explanation of Assertion.B. If both Assertion and Reason are true but Reason is not the correct explanation of Assertion.C. If Assertion is true but Reason is false.D. If Assertion is false but Reason is true. |
Answer» Correct Answer - D d) If `V=V_(0)sinomegat`, then current function will lead the voltage function by `90^(@)`. `I=I_(0)cosomegat` `therefore` Instaneous power, `P=VI=V_(0)I_(o)sinomegatcosomegat` or `PneO` at all time. |
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