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Capacitors and half life time

  • Thread starter -EquinoX-
  • Start date
  • #1
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Homework Statement



If I have a circuit in which the capacitor is the large disk device and for each value of separation=d, calculate the half-life of exponential decay?

Homework Equations





The Attempt at a Solution



What is the formula to do this?
 

Answers and Replies

  • #2
rl.bhat
Homework Helper
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Formula for exponential decay is Q = Qo*e^-t/RC
At half life Q = Qo/2.Substitute this value in the above expression. Take the logarithm and substitute C = epsilon(not)*A/d.Then write down the expression for T1/2.
 

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