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6.5 The current in a 20 mH inductor is known to be i = 40 mA, t≤ 0; i = A₁e 10,000+ A₂e-40.000 A, t≥ 0. The voltage across the inductor (passive sign con- vention) is 28 V at t = 0. a) Find the expression for the voltage across the inductor for t > 0. b) Find the time, greater than zero, when the power at the terminals of the inductor is zero.

6.5 The current in a 20 mH inductor is known to be i = 40 mA, t≤ 0; i = A₁e 10,000+ A₂e-40.000 A, t≥ 0. The voltage across the inductor (passive sign con- vention) is 28 V at t = 0. a) Find the expression for the voltage across the inductor for t > 0. b) Find the time, greater than zero, when the power at the terminals of the inductor is zero.

Introductory Circuit Analysis (13th Edition)
Introductory Circuit Analysis (13th Edition)
13th Edition
ISBN:9780133923605
Author:Robert L. Boylestad
Publisher:Robert L. Boylestad
Chapter1: Introduction
Section: Chapter Questions
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6.5 The current in a 20 mH inductor is known to be i = 40 mA, i = A₁e t≤ 0; e-10,000t + A₂e-40.000€ A, t≥ 0. The voltage across the inductor (passive sign con- vention) is 28 V at t = 0. a) Find the expression for the voltage across the inductor for t > 0. b) Find the time, greater than zero, when the power at the terminals of the inductor is zero.
Transcribed Image Text:6.5 The current in a 20 mH inductor is known to be i = 40 mA, i = A₁e t≤ 0; e-10,000t + A₂e-40.000€ A, t≥ 0. The voltage across the inductor (passive sign con- vention) is 28 V at t = 0. a) Find the expression for the voltage across the inductor for t > 0. b) Find the time, greater than zero, when the power at the terminals of the inductor is zero.
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