Exam-style question
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What happens to the capacitance of a parallel plate capacitor if the plate area is increased?.
- A.Capacitance decreases
- B.Capacitance increases
- C.Capacitance remains the same
- D.Capacitance becomes zero
Model answer
What a good answer should say
- Capacitance increases
Explanation
Why this works
Increasing the plate area of a parallel plate capacitor allows more charge to be stored at a given potential difference. This is because capacitance is directly proportional to the plate area.
Therefore, as the area increases, the capacitance also increases, indicating that the capacitor can store more charge. Thus, the correct answer is that capacitance increases.
Common mistake
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