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An electrical element X when connected to an alternating voltage source has current through it leading the voltage by `pi//2` radian. Identify X and write an expression for its reactance. |
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Answer» As current through element X leads the alternating voltage applied by `pi//2` radian, therefore, X is a pure capacitance. Its reactance is `X_(C ) = (1)/(omega C) = (1)/(2 pi v C)` |
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