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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 www 8 S www R₂ C i (a) Determine the time constant before the switch is closed. S (b) Determine the time constant after the switch is closed. 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 =

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 www 8 S www R₂ C i (a) Determine the time constant before the switch is closed. S (b) Determine the time constant after the switch is closed. 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 =

Power System Analysis and Design (MindTap Course List)
Power System Analysis and Design (MindTap Course List)
6th Edition
ISBN:9781305632134
Author:J. Duncan Glover, Thomas Overbye, Mulukutla S. Sarma
Publisher:J. Duncan Glover, Thomas Overbye, Mulukutla S. Sarma
Chapter7: Symmetrical Faults
Section: Chapter Questions
Problem 7.3P
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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 www 8 S www R₂ C i (a) Determine the time constant before the switch is closed. S (b) Determine the time constant after the switch is closed. 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 =
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 www 8 S www R₂ C i (a) Determine the time constant before the switch is closed. S (b) Determine the time constant after the switch is closed. 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 =
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