initially, for the circuit shown, the switch s is open and the capacitor voltage

Question

initially, for the circuit shown, the switch s is open and the capacitor voltage is 150 v. the resistance and capacitance are 2Mohms and 30 f respectively. the switch s is closed at time t = 0. in figure, the charge in C on the capacitor, when the current in the circuit is 36 A, is:

initially, for the circuit shown, the switch s is open and the capacitor voltage is 150 v. the resistance and capacitance are 2Mohms and 30 ½f respectively. the switch s is closed at time t = 0. in figure, the charge in ½C on the capacitor, when the current in the circuit is 36 ½A, is: RC 3b.png

Explanation / Answer

Voltage acorss capacitor

Vo=I*R =(36*10^-6)*(2*10^6) =72 Volts

Charge across capacitor is

Qc=VoC=72*30*10^-6 =2160 uC

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