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21. Consider an ideal parallel plate capacitor that is charged. If the capacitor plates are slightly pulled apart, which of the following statements is correct during the process?
(A) The electric field strength inside the capacitor decreases.
(B) The energy density inside the capacitor increases.
(C) The potential difference between the capacitor plates remains unchanged.
(D) The energy stored in the capacitor increases.
(E) The capacitance of the capacitor increases.



21. Consider an ideal parallel plate cap..-阿摩線上測驗