1
GATE ECE 2007
MCQ (Single Correct Answer)
+2
-0.6
In the circuit shown, VC is 0 volts at t = 0 sec. For t > 0, the capacitor current iC(t), where t is in seconds, is given by
A
0.50 exp(-25t) mA
B
0.25 exp(-25t) mA
C
0.50 exp(-12.5t) mA
D
0.25 exp (-6.25t) mA
2
GATE ECE 2006
MCQ (Single Correct Answer)
+2
-0.6
A 2mH inductor with some initial current can be represented as shown below, where s is the Laplace Transform variable. The value of initial current is:
A
0.5 A
B
2.0 A
C
1.0 A
D
0.0 A
3
GATE ECE 2006
MCQ (Single Correct Answer)
+2
-0.6
In the figure shown below, assume that all the capacitors are initially uncharged. If νi(t) = 10 u(t) Volts, ν0(t) is given by
A
8 e−0.004t Volts
B
8 (1 - e−0.004t) Volts
C
8 u(t) Volts
D
8 Volts
4
GATE ECE 2005
MCQ (Single Correct Answer)
+2
-0.6

A square pulse of 3 volts amplitude is applied to C-R circuit shown in figure. The capacitor is initially uncharged. The output voltage v0 at time t=2 sec is

A
3 V
B
-3 V
C
4 V
D
-4 V
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