1
GATE ECE 1994
Subjective
+5
-0
The circuit shown in the figure, is initially in its steady state. Switch is opened at t = 0.
(1) Determine the initial voltage, VC(0-), across the capacitor, and the initial current, iL(0-) , through the indicator.
(2) Calculate the voltage, VL(t) , across the inductance for t > 0. GATE ECE 1994 Network Theory - Transient Response Question 8 English
2
GATE ECE 1994
MCQ (Single Correct Answer)
+1
-0.3
A series LCR circuit consisting of $$R = 10\Omega $$, $$\left| {{X_L}} \right|\,\,\, = 20\Omega $$ and $$\left| {{X_C}} \right|\,\,\, = 20\Omega $$, is connected across an a.c. supply of $$200V$$ rms. The rms voltage across the capacitor is
A
$$200\angle - {90^ \circ }\,V$$
B
$$200\angle + {90^ \circ }\,V$$
C
$$400\angle + {90^ \circ }\,V$$
D
$$400\angle - {90^ \circ }\,V$$
3
GATE ECE 1994
Subjective
+5
-0
Calculate the frequency at which zero- transmission is obtained from the Wien- bridge shown in Fig. GATE ECE 1994 Network Theory - Sinusoidal Steady State Response Question 15 English
4
GATE ECE 1994
Subjective
+5
-0
Assuming that the amplifier shown in the Fig., below, is a voltage-controlled voltage source, show that the voltage transfer function of the network is given by
$$T(s) = {{{V_2}\,(s)} \over {{V_1}\,(s)}} = \,{K \over {{s^2} + \,(3 - K)\,s + 1}}$$ GATE ECE 1994 Network Theory - Two Port Networks Question 11 English
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