Delmar's Standard Textbook Of Electricity
7th Edition
ISBN: 9781337900348
Author: Stephen L. Herman
Publisher: Cengage Learning
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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
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S
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R₂
C
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(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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