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Q#1 Sinusoidal Steady State Analysis GATE EE 2016 NAT +2 marks -0 marks

The circuit below is excited by a sinusoidal source. The value of R, in , for which the admittance of the circuit becomes a pure conductance at all frequencies is _____________.

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Explanation:

23.jpg

For admittance to have only conductance, imaginary part of admittance should be zero.

For resonance at all frequency is variable, so,

Note: For the circuit to be independent of frequency the time constant of both branches should be equal.

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