FCC Question Pool Review

General Class (Element 3) • 2023-2027

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Question G4E04

From subelement G4 - G4E

G4E04
Answer: B

Why should DC power for a 100-watt HF transceiver not be supplied by a vehicle’s auxiliary power socket?

AThe socket is not wired with an RF-shielded power cable
BThe socket’s wiring may be inadequate for the current drawn by the transceiver
CThe DC polarity of the socket is reversed from the polarity of modern HF transceivers
DDrawing more than 50 watts from this socket could cause the engine to overheat