The power output of an amplifier is 7 watts. The power gain is 80. What is the input power?
(a) 87.5mW
(b) 87.5W
(c) 13W
(d) 13mW
This question was posed to me in final exam.
Question is taken from Gain, Attenuation & Decibels topic in portion Fundamentals of Electronics of Avionics