1
GATE ECE 2014 Set 4
Numerical
+2
-0

In the circuit shown in the figure, the value of V0(t) (in Volts) for $$t\rightarrow\infty$$ is ______.

2
GATE ECE 2014 Set 2
+2
-0.6
In the figure shown, the capacitor is initially uncharged. Which one of the following expressions describes the current I(t) (in mA) for t > 0?
A
$$I(t) =\frac53\left(1-e^\frac{-t}\tau\right)\;,\tau=\frac23\;m\;sec$$
B
$$I(t) =\frac52\left(1-e^\frac{-t}\tau\right)\;,\tau=\frac23\;m\;sec$$
C
$$I(t) =\frac53\left(1-e^\frac{-t}\tau\right)\;,\tau=\;3\;m\;sec$$
D
$$I(t) =\frac52\left(1-e^\frac{-t}\tau\right)\;,\tau=\;3\;m\;sec$$
3
GATE ECE 2011
+2
-0.6

In the circuit shown below, the initial charge on the capacitor is 2.5 mC, with the voltage polarity as indicated. The switch is closed at time t=0. The current i(t) at a time t after the switch is closed is

A
i(t) = 15 exp(-2 × 103 t) A
B
i(t) = 5 exp(-2 × 103 t) A
C
i(t) = 10 exp(-2 × 103 t) A
D
i(t) = -5 exp(-2 × 103 t) A
4
GATE ECE 2010
+2
-0.6
In the circuit shown, the switch S is open for a long time and is closed at t=0. The current i(t) for t ≥ 0+ is
A
i(t) = 0.5 - 0.125e-1000t A
B
i(t) = 1.5 - 0.125e-1000t A
C
i(t) = 0.5 - 0.5e-1000t A
D
i(t) = 0.375e-1000t A
EXAM MAP
Medical
NEET