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MCAT Question A Day - 1/2/14

A stereo receiver has a power output of 50 W at a frequency of 1000 Hz. If the frequency is decreased to 100 Hz, the output decreases by 10 dB. What is the power output at 10 Hz?

A.  5.0 W
B.  10 W
C.  50 W
D.  100 W

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