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Fields and their consequences (A-level only)

Fields and their consequences (A-level only)

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Question 49

When a parallel-plate capacitor is connected across a battery, the energy stored in the capacitor is UUU. The battery is then disconnected, and the distance between the capacitor plates is tripled. What is the energy now stored in the capacitor?

A

13\frac{1}{3}31​U

B

U

C

3U

D

9U

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Fields and their consequences (A-level only) Questions

  1. A Level
  2. /Physics
  3. /Fields and their consequences (A-level only)

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