Answer to Question #225186 in Electric Circuits for Olavi

Question #225186
We keep a switch at point X for a sufficient time and there after connect it to Y. In the circuit shown below . What amount of current will be measured through the resistor after 5. 0 micro second from t not if V = 9V R= 10 and C = 1 micro Farads?
1
Expert's answer
2021-08-11T14:47:22-0400

I0=VR=910=0.9AI_0=\frac{V}{R}=\frac{9}{10}=0.9A

I=I0etRcI=I_0e^\frac{-t}{Rc}

Put value

I=0.9e5×10610×106I=0.9e^\frac{-5\times10^{-6}}{10\times10^{-6}}

I=0.9e0.5I=0.9e^{-0.5}

I=0.9×0.606=0.5458AI=0.9\times0.606=0.5458A


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