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Fields and their consequences (A-level only)

Fields and their consequences (A-level only)

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Question 120

The initial electrostatic potential energy stored in a capacitor is EsE_sEs​. The capacitor discharges through a resistor in a circuit with a time constant τ\tauτ. The base of natural logarithms is eee. What is the energy stored in the capacitor after a time τ\tauτ?

A

Ese\frac{E_s}{e}eEs​​

B

Ese2\frac{E_s}{e^2}e2Es​​

C

Es2\frac{E_s}{2}2Es​​

D

Esln⁡2E_s \ln 2Es​ln2

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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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