Exercise 26.40 A 3.60 ? F capacitor that is initially uncharged is connected in

Question

Exercise 26.40

A 3.60?F capacitor that is initially uncharged is connected in series with a 5.80k? resistor and an emf source with E= 130V negligible internal resistance.

Part A

Just after the circuit is completed, what is the voltage drop across the capacitor?

Part B

Just after the circuit is completed, what is the voltage drop across the resistor?

Part C

Just after the circuit is completed, what is the charge on the capacitor?

Part D

Just after the circuit is completed, what is the current through the resistor?

Explanation / Answer

A)Just after the circuit is completed, the voltage drop across the capacitor is zero

B) Just after the circuit is completed, the voltage drop across the resistor is130 V

C) 0 coulombs
Voltage on capacitor is initially 0, so
D) I = (Vapplied - Vcap)/R = 130/5800 amps =0.0224

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