All Problems

Electric Capacitance, Energy of an Electric Field

Problem 3.121

A capacitor of capacitance \(C_{1}=1.0 \mu \mathrm{F}\) charged up to a voltage \(V=110 \mathrm{~V}\) is connected in parallel to the terminals of a circuit consisting of two uncharged capacitors connected in series and possessing the capacitances \(C_{2}=2.0 \mu \mathrm{F}\) and \(C_{3}=3.0 \mu \mathrm{F}\) What charge will flow through the connecting wires?

Reveal Answer
q=V1/C1+1/C2+1/C3=0.06mCq=\frac{V}{1 / C_{1}+1 / C_{2}+1 / C_{3}}=0.06 \mathrm{mC}
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