The signal generator generally used in the laboratories is___________oscillator?
Correct answer: A. Wien-bridge
- A. Wien-bridge
- B. Hartely
- C. Crystal
- D. Phase shift
Explanation
A Wien-bridge oscillator produces a low-distortion sinusoidal signal over an adjustable frequency range, making it suitable for general-purpose laboratory signal generators. Hartley and crystal oscillators are less convenient for this variable-frequency use.
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