Exam-style question
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In a charge-potential graph, what does the area under the curve represent?.
- A.Charge stored
- B.Potential energy stored
- C.Capacitance
- D.Current
Model answer
What a good answer should say
- Potential energy stored
Explanation
Why this works
The area under the charge-potential graph represents the work done to charge the capacitor, which is equivalent to the potential energy stored in the capacitor. This relationship indicates that the energy stored can be calculated by finding the area under the curve, confirming that the correct answer is potential energy stored.
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