Question

Imagine 2 identical capacitors with C = 1F having a charge Q = 1 C. Suppose you connect their terminals, positive to positive, negative to negative. Now you have an effective capacitance 2C carrying a charge 2Q, right? Work out the total energy of the two capacitors before and after the connection and speculate on the meaning of your result.

Answer #1

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1.30 [2pt] Imagine 2 identical capacitors with C = 1F having a
charge Q =1 C. Suppose you connect their terminals, positive to
positive, negative to negative. Now you have an effective
capacitance 2C carrying a charge 2Q, right? Work out the total
energy of the two capacitors before and after the connection and
speculate on the meaning of your result.
1.30 ANSWER

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