W.5: Determine i, io, and v, for all t in the circuit shown in Fig.. Assume that the vitch was closed for a long time. It should be noted that opening a switch in series with ideal current source creates an infinite voltage at the current source terminals. Clearly is is impossible. For the purposes of problem solving, we can place a shunt resistor in rallel with the source (which now makes it a voltage source in series with a resistor). In pre practical circuits, devices that act like current sources are, for the most part, ectronic circuits. These circuits will allow the source to act like an ideal current source er its operating range but voltage-limit it when the load resistor becomes too large (as in open circuit). (12A t<0 t<0 (6A -4e-2tA t>0' nswer: i = {12e-2t A t20' t<0 v, = 8e-2tv t> 0 (24V i. %3D 3Ω ww t= 0 1 H 18 A 4Ω 2Ω ww
W.5: Determine i, io, and v, for all t in the circuit shown in Fig.. Assume that the vitch was closed for a long time. It should be noted that opening a switch in series with ideal current source creates an infinite voltage at the current source terminals. Clearly is is impossible. For the purposes of problem solving, we can place a shunt resistor in rallel with the source (which now makes it a voltage source in series with a resistor). In pre practical circuits, devices that act like current sources are, for the most part, ectronic circuits. These circuits will allow the source to act like an ideal current source er its operating range but voltage-limit it when the load resistor becomes too large (as in open circuit). (12A t<0 t<0 (6A -4e-2tA t>0' nswer: i = {12e-2t A t20' t<0 v, = 8e-2tv t> 0 (24V i. %3D 3Ω ww t= 0 1 H 18 A 4Ω 2Ω ww
Delmar's Standard Textbook Of Electricity
7th Edition
ISBN:9781337900348
Author:Stephen L. Herman
Publisher:Stephen L. Herman
Chapter18: Resistive-inductive Parallel Circuits
Section: Chapter Questions
Problem 12PP: In an R-L parallel circuit, ET=480 volts, R=16, and XL=24. Find PF.
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