For t < 0, the current through a 100-mH inductor is zero. For t 0, the
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For t < 0, the current through a 100-mH inductor is zero. For t ≥ 0, the current is iLðtÞ = 20e−2000t −20e−4000t mA.
(a) Derive an expression for the voltage across the inductor for t >0.
(b) Find the time t > 0 at which the inductor voltage passes through zero.
(c) Derive an expression for the inductor power for t >0.
(d) Find the time interval over which the inductor absorbs power and the interval over which it delivers power.
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Related Book For 
The Analysis And Design Of Linear Circuits
ISBN: 9781119235385
8th Edition
Authors: Roland E. Thomas, Albert J. Rosa, Gregory J. Toussaint
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