A 4.90 ? F capacitor that is initially uncharged is connected in series with a 8

Question

A 4.90?F capacitor that is initially uncharged is connected in series with a 8.00k? resistor and an emf source with E= 170Vnegligible internal resistance.

A. A long time after the circuit is completed (after many time constants) what is the voltage drop across the capacitor?

B. A long time after the circuit is completed (after many time constants) what is the voltage drop across the resistor?

C. A long time after the circuit is completed (after many time constants) what is the charge on the capacitor?

Explanation / Answer

A long time after the circuit is completed ,we have :
A)voltage drop across the capacitor: Vc= 170V
B)the voltage drop across the resistor : Vr =0V
C)the charge on the capacitor : Qc= Vc.C =4.9*170x10^-6 C =8.33*10^-4 C

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