Question 22 On the square plates of an air-filled parallel-plate capacitor, equal but opposite charges Q are arranged. The plates are then pulled apart to double their initial separation, which is small compared to the dimensions of the plates. Which of the claims concerning this capacitor is correct? (There may be several right answers.) The capacitance has doubled. The energy density in the capacitor has increased. The potential difference across the plates has doubled. The energy stored in the capacitor has doubled. The electric field between the plates has increased.

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Chapter26: Capacitance And Dielectrics
Section: Chapter Questions
Problem 26.10OQ: (i) A battery is attached to several different capacitors connected in parallel. Which of the...
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Question 22
On the square plates of an air-filled parallel-plate capacitor, equal but opposite charges Q are
arranged. The plates are then pulled apart to double their initial separation, which is small
compared to the dimensions of the plates. Which of the claims concerning this capacitor is
correct? (There may be several right answers.)
The capacitance has doubled.
The energy density in the capacitor has increased.
The potential difference across the plates has doubled.
The energy stored in the capacitor has doubled.
The electric field between the plates has increased.
Transcribed Image Text:Question 22 On the square plates of an air-filled parallel-plate capacitor, equal but opposite charges Q are arranged. The plates are then pulled apart to double their initial separation, which is small compared to the dimensions of the plates. Which of the claims concerning this capacitor is correct? (There may be several right answers.) The capacitance has doubled. The energy density in the capacitor has increased. The potential difference across the plates has doubled. The energy stored in the capacitor has doubled. The electric field between the plates has increased.
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