Electric potential difference across capacitor and resistor

  • Thread starter NatSusan
  • Start date
  • #1
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Homework Statement



In the circuit shown a resistor of 200k ohm is in series with a capacitor of 500uF and a 9v battery. Switch closed at t=0. What is the electric potential difference across the capacitor and the resistor at t=100?


Homework Equations



Q=cv
Tau=rc
Q=q(1-e^t/rc)

The Attempt at a Solution


Don't even know with that resistor behind the capacitor. I'm so confused.
 

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Answers and Replies

  • #2
lewando
Homework Helper
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T = 100 what units, years?
 
  • #3
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Seconds
 

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