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Problem 117 of 132

Switching a Capacitor Between Two Sources

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Switch S1S_1 has been closed and S2S_2 open for a long time. At t=0t = 0, S1S_1 opens and S2S_2 closes. Find vCv_C at t=10 mst = 10\ \text{ms}, in volts.

V1​-1 VR1​5 kΩS1​t = 0C5 µF+−vC​S2​t = 0R2​2 kΩV2​16 V
V

Answers within 2% are accepted. Units with SI prefixes work too, like 0.003 A or 3 mA. Use a minus sign for negative values.

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