at t=0 50 10 2 10 A 20 Q 2 H
Introductory Circuit Analysis (13th Edition)
13th Edition
ISBN:9780133923605
Author:Robert L. Boylestad
Publisher:Robert L. Boylestad
Chapter1: Introduction
Section: Chapter Questions
Problem 1P: Visit your local library (at school or home) and describe the extent to which it provides literature...
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Question
Find i(t) on Inductor
Expert Solution
Step 1
Given circuit:
The switch has been closed for a long time and is opened at t=0.
So, the given circuit at t<0 is shown in the figure below:
At t=0-, the inductor behaves as a short circuit.
Assuming a node voltage V as shown in the figure above such that,
where
Applying nodal analysis at node V,
So, inductor current at t=0- is:
As the inductor current doesn't change instantaneously, so
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