2 the system has reached steady state. The source is is an AC source with w = 2 rad/s. Its phasor diagram is shown on the left. The switch moves from position 1 to position 2 at t =s and remains in position 2. 2 (a) Find the current ia ( s). (i.e., just before the switch ia moves). (b) Find the current ia(2n s). ia(2n s) 1 2 H Im ee 2 ia is (1) 4Ω. 4 V Re |Is| = 6 A Is

Introductory Circuit Analysis (13th Edition)
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ISBN:9780133923605
Author:Robert L. Boylestad
Publisher:Robert L. Boylestad
Chapter1: Introduction
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Q 1. Consider the circuit below. For t<s, the switch is in position 1 and you may assume
the system has reached steady state. The source is is an AC source with w = 2 rad/s. Its
phasor diagram is shown on the left. The switch moves from position 1 to position 2 at t =s
2
and remains in position 2.
(a) Find the current ia (E s). (i.e., just before the switch
ia
S
moves).
(b) Find the current ia(2n s).
ia (2π s)
1
2 H
Im
2
ia
is (1
4 V
Re
|Is| = 6 A
Is
Transcribed Image Text:Q 1. Consider the circuit below. For t<s, the switch is in position 1 and you may assume the system has reached steady state. The source is is an AC source with w = 2 rad/s. Its phasor diagram is shown on the left. The switch moves from position 1 to position 2 at t =s 2 and remains in position 2. (a) Find the current ia (E s). (i.e., just before the switch ia S moves). (b) Find the current ia(2n s). ia (2π s) 1 2 H Im 2 ia is (1 4 V Re |Is| = 6 A Is
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