FCC Question Pool Review

Amateur Extra Class (Element 4) • 2024-2028

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Question E7B08

From subelement E7 - E7B

E7B08
Answer: B

Why are switching amplifiers more efficient than linear amplifiers?

ASwitching amplifiers operate at higher voltages
BThe switching device is at saturation or cutoff most of the time
CLinear amplifiers have high gain resulting in higher harmonic content
DSwitching amplifiers use push-pull circuits