FCC Question Pool Review

General Class (Element 3) • 2023-2027

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Question G4C08

From subelement G4 - G4C

G4C08
Answer: A

Which of the following would reduce RF interference caused by common-mode current on an audio cable?

APlace a ferrite choke on the cable
BConnect the center conductor to the shield of all cables to short circuit the RFI signal
CGround the center conductor of the audio cable causing the interference
DAdd an additional insulating jacket to the cable