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OpenStudy (anonymous):
In an amplifier, the power gain, P is given by the function P=10log Pout/Pin, where Pin and Pout are the power input and output in watts. If an amplifier has a power gain of 22 watts and the output power was 15 watts, find the power input in watts. a. 0.095 b. 10.53 c. 158.49 d. 2,377.34 e. none
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OpenStudy (stormfire1):
a
OpenStudy (stormfire1):
It's simpler just to plug in the value of 0.095...which gets you ~21.98 = ~22 watts
OpenStudy (kira_yamato):
22=10log(15/Pin) Solve this and you'll get (a)
OpenStudy (anonymous):
thank you
OpenStudy (anonymous):
a)0.095
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