In the circuit of the figure below, the switch S has been open for a long time. It is then suddenly closed. Take Ɛ = 10.0 V, R₁ = 47.0 kN, R₂ = 190 kn, and C = 15.0 μF. R₁ E S w R2 (a) Determine the time constant before the switch is closed. 3.56 S (b) Determine the time constant after the switch is closed. 0.929 × S (c) Let the switch be closed at t = 0. Determine the current in the switch as a function of time. (Assume I is in A and t is in s. Do not enter units in your expression. Use the following as necessary: t.) I= (2.128e-4)e¯¯ -1.075t Submit Answer

Introductory Circuit Analysis (13th Edition)
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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. Take Ɛ = 10.0 V, R₁ = 47.0 kN, R₂ = 190 kn, and C = 15.0 μF.
R₁
E
S
w
R2
(a) Determine the time constant before the switch is closed.
3.56
S
(b) Determine the time constant after the switch is closed.
0.929
× S
(c) Let the switch be closed at t = 0. Determine the current in the switch as a function of time. (Assume I is in A and t is in s. Do not enter units in your expression. Use the following as necessary:
t.)
I= (2.128e-4)e¯¯
-1.075t
Submit Answer
Transcribed Image Text:In the circuit of the figure below, the switch S has been open for a long time. It is then suddenly closed. Take Ɛ = 10.0 V, R₁ = 47.0 kN, R₂ = 190 kn, and C = 15.0 μF. R₁ E S w R2 (a) Determine the time constant before the switch is closed. 3.56 S (b) Determine the time constant after the switch is closed. 0.929 × S (c) Let the switch be closed at t = 0. Determine the current in the switch as a function of time. (Assume I is in A and t is in s. Do not enter units in your expression. Use the following as necessary: t.) I= (2.128e-4)e¯¯ -1.075t Submit Answer
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