In a cell phone, a power amplifier delivering 1 W to the antenna may p – McqOptions

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1.	In a cell phone, a power amplifier delivering 1 W to the antenna may pull several watts from the battery. If the power conversion efficiency is 30%, then the above cellphone translates to a power drain of:
A.	1 W from the battery
B.	1.3 W from the battery
C.	0.3 W from the battery
D.	3.33 W from the battery
Answer» E.

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