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GATE EC 2022: Networks Quiz 9
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Question 1
The figure shows an RLC circuit with a sinusoidal current source. 
At resonance, the ratio|IL|/|IR|, i.e., the ratio of the magnitudes of the inductor current phasor and the resistor current phasor, is___
Question 2
The transmission parameter A for the circuit is
Question 3
For the network shown below, the total input impedance for the circuit is 200 Ω. For what value of C (in µF) which will cause V0 lags Vin by 60 degrees. Given that supply frequency is 50 Hz.
Question 4
The y-parameters of a 2-port network are 
S.
A resistor of 1 ohm is connected across as shown in figure below. The new ‘y’ parameter would be
S. A resistor of 1 ohm is connected across as shown in figure below. The new ‘y’ parameter would be
Question 5
In the circuit shown, switch
has been closed for a long time. A time t = 0 switch 
is closed At t =
, the rate of change of current through the inductor, in amperes per second, is -----------------.
has been closed for a long time. A time t = 0 switch is closed At t = , the rate of change of current through the inductor, in amperes per second, is -----------------. Question 6
The circuit shown in figure was initially at rest. At t = 0 switch ‘S’ is connected to position Then after 5sec, ‘S’ moved to position 2. The current i(t) through capacitor at t = 9 sec is ___ Amperes.
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Jul 4ESE & GATE EC
