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~christina~

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## Homework Statement

Consider circuit below.

(a)Use integral calculus to determine how much heat is generated through R when switch S is closed.

(b)Derive the expressions for the charge q(t) and the current i(t) as functions of time, for the discharging capacitor in the circuit.

http://img516.imageshack.us/img516/134/picture5fy6.th.jpg [Broken]

## Homework Equations

## The Attempt at a Solution

First of all I'm not sure what the capacitor is or the voltage source is. Is it a battery or a capacitor??

It seems that it is one and both, but how can this be?

Please help.

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