Question: In audio and communications systems, the gain, B, in decibels is defined as Where Pm is the power input to the system and Pout is

In audio and communications systems, the gain, B, in decibels is defined as

Where Pm is the power input to the system and Pout is the power output. A particular stereo amplifier puts out 100 W of power for an input of 1 mW. What is its gain in dB?

Pou. B - 10 log Pin

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