circuits review quiz AP Penner 1

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• 160 W

• 40 W

• 400 W

• 5 W

• 500 W

A battery (of voltage V or 2V) and resistors (of resistance R or 2R) are connected in various combinations as shown. Which circuit has the least amount of current flowing from the battery?

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• C2 has 4 times the capacitance as C1

• C2 has half as much charge on its plates as C1

• C2 has twice as much potential across its plates as C1

• C2 has an electric field across is plates equal to that of C1

• C2 has half as much energy stored as C1