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general formula for the charge on the capacitor

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A 20 ohm resistor, a .05 farad capacitor, and an alternating power source equal to 40 cos(t) are placed in series. If the initial charge on the capacitor is 3 coulombs, find a general formula for the charge at any time t.

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Solution Summary

By differential equation, it finds the charge on the capacitor in a RC series circuit.

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