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Q#1
Sinusoidal Steady State Analysis
GATE EE 2015
NAT
+2 marks
-0 marks
A symmetrical square wave of 50% duty cycle has amplitude of ±15V and time period of 
. This square wave is applied across a series RLC circuit with 
L=10mH and 
. The amplitude of the 5000 rad/s component of the capacitor voltage (in volt) is ____________.
Explanation:
Assuming the supply voltage is represented by V (peak)
Fourier series of square wave:
ms
rad/sec
So, we are interested in fundamental.
Since 
, circuit is in resonance. Hence, fundamental current can be obtained as,
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