. The two switches in the circuit shown below are synchronized. The switches have been closed for a long time before opening at t = 0. a) How many microseconds after the switches are open is the energy dissipated in the 60 kn resistor 25% of the initial energy stored in the 200 mH inductor? b) At the time calculated in part (a), what percentage of the total energy stored in the inductor has been dissipated? t = 0, 120 mA 40 kn ΚΩ t=0 200 mH 20 ΚΩ 60 ΚΩ • 30 ΚΩ
. The two switches in the circuit shown below are synchronized. The switches have been closed for a long time before opening at t = 0. a) How many microseconds after the switches are open is the energy dissipated in the 60 kn resistor 25% of the initial energy stored in the 200 mH inductor? b) At the time calculated in part (a), what percentage of the total energy stored in the inductor has been dissipated? t = 0, 120 mA 40 kn ΚΩ t=0 200 mH 20 ΚΩ 60 ΚΩ • 30 ΚΩ
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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Step 1: Summarize the data.
VIEWStep 2: a. Determine the expression of the inductor current, i_L(t).
VIEWStep 3: Calculate the initial energy stored in the inductor.
VIEWStep 4: Calculate the energy dissipated in the 60 kOhm resistor.
VIEWStep 5: Determine the required time.
VIEWStep 6: b. Determine the total energy dissipated.
VIEWStep 7: b. Find the required percentage of the total energy dissipated.
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