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MCAT Question A Day - 1/7/14 - Answer!

If the power produced by a circuit is tripled, the energy used by the circuit in 1 second will be

A.  multiplied by 3.
B.  divided by 3.
C.  multiplied by 9.
D.  divided by 9.

The correct answer is (A). Power is the rate of using energy, W = Pt. Work and power are directly proportional and linear.

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