Physics · Electrostatic Potential and Capacitance
A parallel plate capacitor is connected to a battery. Consider two independent situations: Situation A: Key K is kept closed and the plates of the capacitor are moved apart using an insulating handle. Situation B: Key K is opened and the plates of the capacitor are moved apart using an insulating handle. Which of the following statements is correct?
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 1In B: Charge Q remains the same and hence voltage V changes.✓
- 2In A: Voltage V changes and hence charge Q remains constant.
- 3In B: Voltage V remains the same but capacitance C changes.
- 4In A: Charge Q remains the same but capacitance C changes.
Correct answer
In B: Charge Q remains the same and hence voltage V changes.
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