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G4A04:What is the effect on plate current of the correct setting of a vacuum-tube RF power amplifier’s TUNE control?

G4A04G4A

What is the effect on plate current of the correct setting of a vacuum-tube RF power amplifier’s TUNE control?

Direct answer summary (2023-2027 NCVEC pool)

The official correct answer for G4A04 is A pronounced dip.

The key fact is A pronounced dip. Match that fact to the exact condition in the question; the other choices describe a different rule, band, component, or operating situation.

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