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In the circuit of the figure below, the switch S has been open for a long time. It is then suddenly closed. (Use the following as necessary: E for E, R1, R2, t, and C.) (a) Determine the time constant before the switch is closed. τ = (b) Determine the time constant after the switch is closed. τ = (c) Let the switch be closed at t = 0. Determine the current in the switch as a function of time. I =

In the circuit of the figure below, the switch S has been open for a long time. It is then suddenly closed. (Use the following as necessary: E for E, R1, R2, t, and C.) (a) Determine the time constant before the switch is closed. τ = (b) Determine the time constant after the switch is closed. τ = (c) Let the switch be closed at t = 0. Determine the current in the switch as a function of time. I =

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In the circuit of the figure below, the switch S has been open for a long time. It is then suddenly closed. (Use the following as necessary: E for E , R 1 , R 2 , t , and C .) (a) Determine the time constant before the switch is closed.
τ = ◻
(b) Determine the time constant after the switch is closed.
τ = ◻
(c) Let the switch be closed at t = 0 . Determine the current in the switch as a function of time.
I = ◻

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