1
GATE ECE 2018
+2
-0.67
For the circuit given in the figure, the voltage VC (in volts) across the capacitor is :
A
1.25$$\sqrt 2$$ sin(5t - 0.25$$\pi$$)
B
1.25$$\sqrt 2$$ sin(5t - 0.125$$\pi$$)
C
2.5$$\sqrt 2$$ sin(5t - 0.25$$\pi$$)
D
2.5$$\sqrt 2$$ sin(5t - 0.125$$\pi$$)
2
GATE ECE 2017 Set 1
Numerical
+2
-0
In the circuit shown the voltage $${V_{IN}}\,\left( t \right)$$ is described by: $${V_{IN}}\,\left( t \right) = \left\{ {\matrix{ {0,} & {for\,\,\,t < 0} \cr {15Volts,} & {for\,\,\,t \ge 0} \cr } } \right.$$\$

where $$'t'$$ is in seconds. The time (in seconds) at which the current $${\rm I}$$ in the circuit will reach the value $$2$$ Ampere is ______ .

3
GATE ECE 2017 Set 1
Numerical
+2
-0
The figure shows an RLC circuit excited by the sinusoidal voltage $$100cos(3t)$$ Volts, where $$t$$ is in seconds. The ratio $${{amplitude\,\,of\,\,{V_2}} \over {amplitude\,\,of\,\,{V_1}}}\,\,$$ is ________ .
4
GATE ECE 2016 Set 1
Numerical
+2
-0

An AC voltage source V = 10 sin(t) volts is applied to the following network. Assume that R1 = 3 kΩ, R2 = 6 kΩ and R3 = 9 kΩ and that the diode is ideal.

RMS current Irms (in mA) through the diode is _________.