Consider the circuit in the figure below, in which V = 9 V, and the switch has b

Question

Consider the circuit in the figure below, in which V = 9 V, and the switch has been in position a for a long time. The switch is changed to position b at t = 0 s. What are the charge Qon the capacitor and the current I through the resistor at the times tabulated below?

Consider the circuit in the figure below, in which V = 9 V, and the switch has been in position a for a long time. The switch is changed to position b at t = 0 s. What are the charge Qon the capacitor and the current I through the resistor at the times tabulated below?

Explanation / Answer

a) The current,I through the resistor will be
I = V / R

I= 9 V/ 50 ?

I= 0.18 A = 180 mA

Charge, Q = Capacitance,C * Voltage, V
= 2

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