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Question

In the circuit shown, a time varying voltage V=2000t volt is applied where t is in second. At time t=5ms. determine the current through the resistor R=4Ω and through the capacitor C=300μF.
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Solution
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At t=5ms,V=10V


iR=VR=104=2.5A


Further q=CV=(300×106)(2000t)=0.6t


iC=dqdt=0.6A=constant

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216566.png
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