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April 18, 2014

Homework Help: Physics

Posted by Jon on Saturday, February 19, 2011 at 8:13pm.

You have a circuit with a 4 uF capacitor connected in series to 2 capacitors connected in parallel (2 uF and 1.5 uF). The battery is 12 V.

The first question asked what the circuit's equivalence capacitance was. I calculated it to be 1.9 uF, which is correct.

The next question asked how much charge flows through the battery as the capacitors are being charged.
I went q=cdeltaV=1.9 x 12= 23uC
which is incorrect. What is the correct answer and how do you get to it?

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