The output signal voltage and current of a power amplifier are 5V and – McqOptions

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1.	The output signal voltage and current of a power amplifier are 5V and 200 mA; the values being r.m.s. What is the power output ?
A.	1 W
B.	2 W
C.	4 W
D.	None of the above
Answer» B. 2 W

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