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a.) Expression for the inductor current for 0 ≤ ? < 10?? b.) Expression for the inductor current for 10?? ≤ ? < 30?? and 30?? ≤ ? < ∞ c.) What is the time (in ms) after switch S1 moves to position B is the current in the inductor equivalent to 30% of the initial value (at ?=0).

a.) Expression for the inductor current for 0 ≤ ? < 10?? b.) Expression for the inductor current for 10?? ≤ ? < 30?? and 30?? ≤ ? < ∞ c.) What is the time (in ms) after switch S1 moves to position B is the current in the inductor equivalent to 30% of the initial value (at ?=0).

Introductory Circuit Analysis (13th Edition)
Introductory Circuit Analysis (13th Edition)
13th Edition
ISBN:9780133923605
Author:Robert L. Boylestad
Publisher:Robert L. Boylestad
Chapter1: Introduction
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From the given circuit.  

Switch S1 is in position A switch S2 is open. Both switches are in these states for a very long time. At t=0, switch S1 moves from position A to B while switch S2 remains open. 10ms after switch S1 moves to position B, switch S2 is closed and remains closed for 20ms only.

ANSWER THE FOLLOWING:

a.) Expression for the inductor current for 0 ≤ ? < 10??
b.) Expression for the inductor current for 10?? ≤ ? < 30?? and 30?? ≤ ? < ∞
c.) What is the time (in ms) after switch S1 moves to position B is the current in the inductor equivalent to 30% of the initial value (at ?=0).

S1 S2 A close at t=10 ms t=0 open at t=30 ms 20 A 15 Q 100 mH 20 Q
Transcribed Image Text:S1 S2 A close at t=10 ms t=0 open at t=30 ms 20 A 15 Q 100 mH 20 Q
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