1
GATE ECE 1992
MCQ (Single Correct Answer)
+2
-0.6
For the series R-L-C circuit of figure(a), the partial phasor diagram at a certain frequency is shown in figure (b).The operating frequency of the circuit is: GATE ECE 1992 Network Theory - Sinusoidal Steady State Response Question 57 English
A
equal to the resonance frequency
B
less than the resonance frequency
C
greater than the resonance frequency
D
not zero
2
GATE ECE 1992
MCQ (More than One Correct Answer)
+2
-0.6
For a 2-port network to be reciprocal
A
$$z_{11}\;=\;z_{22}$$
B
$$y_{21}\;=\;y_{12}$$
C
$$h_{21}\;=\;-h_{12}$$
D
AB - BC = 0
3
GATE ECE 1992
MCQ (Single Correct Answer)
+2
-0.6
Relative to a given fixed tree of a network
A
Link currents form an independent set
B
Branch voltage from an independent set
C
Link currents from an independent set
D
Branch voltage from an independent set
4
GATE ECE 1992
Subjective
+8
-0
The two-port Darlington impedance booster of figure uses identical transistors $$({h_{ie}} = 1\,k,\,\,{h_{fe}} = \,100,\,\,{h_{re}} = \,\,{h_{oe}} = \,0$$. Calculate the z-parameters of the network. (Use relavant approximations) GATE ECE 1992 Network Theory - Two Port Networks Question 4 English
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