Multiple Choice
A circuit consists of an AC audio amplifier,a resistor,and a speaker,all in series.The amplifier puts out an alternating voltage of 16.0 V (rms) ,the resistance of the resistor is 10.0 Ω,and the speaker has a resistance of 11.9 Ω.What is the time-averaged power delivered to the speaker?
A) 21.5 W
B) 30.5 W
C) 6.35 W
D) 8.69 W
Correct Answer:

Verified
Correct Answer:
Verified
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