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The current in the inductor ___________ the voltage in a series RLC circuit above the resonant frequency.(a) Leads(b) Lags(c) Equal to(d) Depends on the circuitThis question was addressed to me during an online interview.Question is taken from Voltages in a Series RLC Circuit in chapter Resonance in AC Circuits of Basic Electrical Engineering |
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Answer» CORRECT OPTION is (b) Lags To elaborate: ω > ω0 => ω > 1/√LC => ωL > 1/ωC=>XL > XC The circuit is inductive dominant so, the CURRENT in the inductor lags the VOLTAGE in a series RLC circuit above the resonant frequency. |
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