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  • A resistor R, an inductor L and a capacitor C are connected in series to a source of frequency n. If the resonant frequency is nr then the current lags behind voltage, when<div class='qna-optio

A resistor R, an inductor L and a capacitor C are connected in series to a source of frequency n. If the resonant frequency is nr then the current lags behind voltage, when

Option: 1

\mathrm{n=0}


Option: 2

\mathrm{n}<\mathrm{n}_{\mathrm{r}}


Option: 3

\mathrm{n}=\mathrm{n}_r


Option: 4

\mathrm{n}>\mathrm{n}_{\mathrm{r}}


Answers (1)

best_answer

Below resonant frequency the current leads the applied e.m.f., at resonance it is in
phase with applied e.m.f. and above resonance frequency it lags the applied e.m.f.,

Posted by

shivangi.bhatnagar

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