FCC Question Pool Review

General Class (Element 3) • 2023-2027

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Question G4B05

From subelement G4 - G4B

G4B05
Answer: D

Why do voltmeters have high input impedance?

AIt improves the frequency response
BIt allows for higher voltages to be safely measured
CIt improves the resolution of the readings
DIt decreases the loading on circuits being measured