G7B07:Which of the following are basic components of a sine wave oscillator?
Direct answer summary (2023-2027 NCVEC pool)
The official correct answer for G7B07 is A filter and an amplifier operating in a feedback loop.
The key fact is A filter and an amplifier operating in a feedback loop. Match that fact to the exact condition in the question; the other choices describe a different rule, band, component, or operating situation.