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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 _____________.

Explanation:





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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