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Fields and their consequences (A-level only)

Fields and their consequences (A-level only)

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Question 181

A parallel-plate capacitor with air between its plates is charged by connecting it to a DC power supply, and is then disconnected.

The plates of the capacitor are then pulled further apart so that their separation is doubled.

Which of the following statements is correct?

A

The capacitance of the capacitor doubles.

B

The electric field strength between the plates doubles.

C

The energy stored by the capacitor doubles.

D

The potential difference across the plates is halved.

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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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