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Introductory Circuit Analysis (13th Edition)
13th Edition
ISBN: 9780133923605
Author: Robert L. Boylestad
Publisher: PEARSON
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Question
1. 7.1 The switch in the circuit shown has been closed for a long time and
is opened at t=0.
1. a) Calculate the initial value of i.

Transcribed Image Text:t = 0
30
120 V
$30 N
38 mH §20
7.1-4 Full Alternative Text
Expert Solution
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Step 1
a)
The circuit diagram for t<0 is given as,
Calculating the equivalent resistance,
Req=130+16=5
The expression for the voltage division rule is given as,
Step by stepSolved in 2 steps with 1 images
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