Exam-style question
Try this first
For Summing amplifier configuration, which definition answer best supports this objective: Explain the role of input resistors?.
- A.Explain the role of input resistors. This is the correct definition focus for Summing amplifier configuration
- B.A vague answer that names role but does not apply the A-Level Physics reasoning.
- C.A neighbouring-topic answer that does not belong to Summing amplifier configuration.
- 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 the role of input resistors.
- This is the correct definition focus for Summing amplifier configuration.
Explanation
Why this works
This is the correct definition focus for Summing amplifier configuration" because it directly supports the approved objective: Explain the role of input resistors. The other options are incorrect or weaker because they are vague, outside Summing amplifier configuration, or confuse a nearby A-Level Physics quantity, model, unit, graph feature, or conclusion.
Common mistake
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