The switch in Fig. is moved from A to B att 0 after being at For a long time. This places the two capacitors in series, thus allowing equal and opposite dc voltages to be trapped on the capacitors. (a) Determine v1(0-), v2(0-), and vR(0-). (b) Find v1(0+).v2(0+), and vR(0+). (c) Determine the time constant of VR(t). (d) Find vR(t), t> 0. (e) Find i(t). () Find vi(t) and v2(t) from i(t) and the initial values. (g) Show that the stored energy at t = plus the total energy dissipated in the 20 k resistor is equal to the energy stored in the capacitors at t=0 5 k2B 20 k=0 after being at A for a long time. Thisplaces the two capacitors in series, thusO allowing equal and opposite dc voltages tobe trapped on the capacitors. (a) Determinev1(0-), v2(0-), and vR(0-). (b) Find v1(0+),v2(0+), and vR(0+). (c) Determine the timeconstant of vR(t). (d) Find vR(t), t> 0. (e) Findi(t). (f) Find v1(t) and v2(t) from i(t) and theinitial values. (g) Show that the storedenergy att =00 plus the total energydissipated in the 20 k resistor is equal to theenergy stored in the capacitors at t =0.t=05 µF20 uF

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5 k2 B 20 k =0 after being at A for a long time. This places the two capacitors in series, thus O allowing equal and opposite dc voltages to be trapped on the capacitors. (a) Determine v1(0-), v2(0-), and vR(0-). (b) Find v1(0+), v2(0+), and vR(0+). (c) Determine the time constant of vR(t). (d) Find vR(t), t> 0. (e) Find i(t). (f) Find v1(t) and v2(t) from i(t) and the initial values. (g) Show that the stored energy att =00 plus the total energy dissipated in the 20 k resistor is equal to the energy stored in the capacitors at t =0. t=0 5 µF 20 uF

5 k2 B 20 k =0 after being at A for a long time. This places the two capacitors in series, thus O allowing equal and opposite dc voltages to be trapped on the capacitors. (a) Determine v1(0-), v2(0-), and vR(0-). (b) Find v1(0+), v2(0+), and vR(0+). (c) Determine the time constant of vR(t). (d) Find vR(t), t> 0. (e) Find i(t). (f) Find v1(t) and v2(t) from i(t) and the initial values. (g) Show that the stored energy att =00 plus the total energy dissipated in the 20 k resistor is equal to the energy stored in the capacitors at t =0. t=0 5 µF 20 uF

Delmar's Standard Textbook Of Electricity

7th Edition

ISBN:9781337900348

Author:Stephen L. Herman

Publisher:Stephen L. Herman

Chapter17: Resistive-inductive Series Circuits

Section: Chapter Questions

Problem 2PA: You are a journeyman electrician working in an industrial plant. Your task is to connect an inductor...

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