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G4B05:Why do voltmeters have high input impedance?

G4B05G4B

Why do voltmeters have high input impedance?

Direct answer summary (2023-2027 NCVEC pool)

The official correct answer for G4B05 is It decreases the loading on circuits being measured.

The reason is it decreases the loading on circuits being measured. Connect the cause in the question to this direct result instead of memorizing the answer letter.

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