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[" 47.An AC source is initially connecte...

[" 47.An AC source is initially connected to a resistor "R'],[" Situation "-1:" If an inductor is connected in series with the resistor,the impedance in "],[" the circuit is "sqrt(3)R],[" Situation "-2:" If a capacitor is connected in series with resistor,the impedance in the "],[" circuit is "2R],[" Situation "-3:" Both the inductor and the capacitor are connected in series to the "],[" resistor."],[" In situation "3," if the phase of current and potential difference across the source is "phi],[" then "|cot phi|=p pi" where "p" is nearly ".......]

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