Need help with circuit problem

  • #1
the problem is a series combination of 12k resistor and an unknown capacitor is connected to a 13 volt battery. One second after the circuit is completed, the voltage across the capacitor is 8v. Determine the capacitance of the capacitor. :uhh:
 

Answers and Replies

  • #2
mukundpa
Homework Helper
524
3
This is the problem related of charging a capacitor.
The equation for the charge on the capacitor as a function of time is

[tex] \q = CV \left( 1 - e^\ -t/CR \right) [/tex]
 

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