Exam-style question
Try this first
For Astables, which definition answer best supports this objective: Explain duty cycle qualitatively?.
- A.Explain duty cycle qualitatively. This is the correct definition focus for Astables
- B.A vague answer that names duty cycle but does not apply the A-Level Physics reasoning.
- C.A neighbouring-topic answer that does not belong to Astables.
- D.An answer that reverses the quantity, unit, graph feature, or physical relationship.
Model answer
What a good answer should say
- The correct option is Explain duty cycle qualitatively.
- This is the correct definition focus for Astables.
Explanation
Why this works
This is the correct definition focus for Astables" because it directly supports the approved objective: Explain duty cycle qualitatively. The other options are incorrect or weaker because they are vague, outside Astables, or confuse a nearby A-Level Physics quantity, model, unit, graph feature, or conclusion.
Common mistake
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