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Amateur Extra Class (Element 4) • 2024-2028

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Question E7H02

From subelement E7 - E7H

E7H02
Answer: C

What is a microphonic?

AAn IC used for amplifying microphone signals
BDistortion caused by RF pickup on the microphone cable
CChanges in oscillator frequency caused by mechanical vibration
DExcess loading of the microphone by an oscillator