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The current leads the supply voltage in a series RLC circuit has its frequency _________ the resonant frequency.

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The current leads the supply voltage in a series RLC circuit has its frequency _________ the resonant frequency.

(a) Above

(b) Below

(c) Equal to

(d) Cannot be determined

The question was asked by my college professor while I was bunking the class.

My question comes from Frequency Variation in a Series RLC Circuit in section Resonance in AC Circuits of Basic Electrical Engineering

1 Answer

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Best answer
Right choice is (b) Below

Explanation: Current is leading the voltage indicates capacitor dominating circuit.                                                                          XC>XL => 1/(ωC) > ωL  => ω<1/√LC

So, frequency less than resonant frequency.

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