t = 0, 120 mA 140 ΚΩ 200 mH |20 ΚΩ 1 = 0 360 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
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The two switches in the circuit seen in (Figure 1) are synchronized. The switches have been closed for a long time before opening at t=0.

Ο
t = 0,
|120 mA
140 ΚΩ
200 mH
(20 ΚΩ
1 = 0
360 ΚΩ
30 ΚΩ]
Transcribed Image Text:Ο t = 0, |120 mA 140 ΚΩ 200 mH (20 ΚΩ 1 = 0 360 ΚΩ 30 ΚΩ]
Part A
How many microseconds after the switches are open is the energy dissipated in the 60 kn resistor 50% of the initial energy stored in the 200 mH inductor?
Express your answer in microseconds to three significant figures.
ΠΫΠΙ ΑΣΦ ↓↑ vec 5
t = 2.5
Submit
X Incorrect; Try Again; 4 attempts remaining
Part B
Previous Answers Request Answer
%dissipated =
Submit
At the time calculated in Part A, what percentage of the total energy stored in the inductor has been dissipated?
Express your answer as a percentage to three significant figures.
IVE ΑΣΦ
Request Answer
?
vec
us
%
Transcribed Image Text:Part A How many microseconds after the switches are open is the energy dissipated in the 60 kn resistor 50% of the initial energy stored in the 200 mH inductor? Express your answer in microseconds to three significant figures. ΠΫΠΙ ΑΣΦ ↓↑ vec 5 t = 2.5 Submit X Incorrect; Try Again; 4 attempts remaining Part B Previous Answers Request Answer %dissipated = Submit At the time calculated in Part A, what percentage of the total energy stored in the inductor has been dissipated? Express your answer as a percentage to three significant figures. IVE ΑΣΦ Request Answer ? vec us %
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