Exam-style question
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What is the effect of increasing the plate area of a parallel plate capacitor on its capacitance?.
- A.Capacitance increases
- B.Capacitance decreases
- 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 increases its capacitance because capacitance is directly proportional to the area of the plates. This means that a larger area allows for more charge to be stored at the same potential difference.
The key difference is that while increasing area enhances capacitance, decreasing area would have the opposite effect, thus demonstrating the direct relationship between plate area and capacitance.
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