Exam-style question
Try this first
Capacitor delay timer ? pick the reason the relay does not operate immediately. Use this to support: Describe the purpose of modulation.
- A.capacitor delay timer: capacitor voltage rises gradually so the switching input reaches threshold after a delay for Amplitude and frequency modulation.
- B.capacitor delay timer: claims charge appears instantly.
- C.capacitor delay timer: uses steady dc resistance only.
- D.capacitor delay timer: describes a logic gate with no timing element.
Model answer
What a good answer should say
- The correct option is capacitor delay timer: capacitor voltage rises gradually so the switching input reaches threshold after a delay for Amplitude and frequency modulation.
Explanation
Why this works
This is the best answer because the capacitor delay timer context requires that exact electronics relationship. The other options are incorrect because they use a different component, reverse the circuit behaviour, or omit the output interpretation required for Amplitude and frequency modulation.
Common mistake
No common mistake is linked to this question yet.
