Ο t = 0, |120 mA 140 ΚΩ 200 mH | 20 ΚΩ t = 0 360 ΚΩ 30 ΚΩ

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Hi! Could someone please help me with this question and try to explain their steps a bit as they go. I am quite confused on how to solve it. Thanks so much!

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.
t = 2.5
Submit
195| ΑΣΦ ↓↑ vec
Part B
Previous Answers Request Answer
X Incorrect; Try Again; 4 attempts remaining
%dissipated =
OF
IE ΑΣΦΑ ↓↑ vec
2
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.
Submit Request Answer
?
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. t = 2.5 Submit 195| ΑΣΦ ↓↑ vec Part B Previous Answers Request Answer X Incorrect; Try Again; 4 attempts remaining %dissipated = OF IE ΑΣΦΑ ↓↑ vec 2 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. Submit Request Answer ? us ? %
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