A parallel-plate capacitor with distance of separation between the plates, d, is fully charged and the terminals are disconnected from the battery. The plates are then pulled apart to increase their separation to 2d. Which of the following statements is true? O The energy stored in the capacitor is twice the original level. O The energy stored in the capacitor is one quarter the original level. O The energy stored in the capacitor is four times the original level. O The energy stored in the capacitor is half the original level. The energy stored in the capacitor is not changed.

A parallel-plate capacitor with distance of separation between the plates, d, is fully charged and the terminals are disconnected from the battery. The plates are then pulled apart to increase their separation to 2d. Which of the following statements is true? O The energy stored in the capacitor is twice the original level. O The energy stored in the capacitor is one quarter the original level. O The energy stored in the capacitor is four times the original level. O The energy stored in the capacitor is half the original level. The energy stored in the capacitor is not changed.

University Physics Volume 2

18th Edition

ISBN:9781938168161

Author:OpenStax

Publisher:OpenStax

Chapter8: Capacitance

Section: Chapter Questions

Problem 49P: Suppose that the capacitance of a variable capacitor can be manually changed from 100 pF to 800 pF...

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