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Analysis of circuit RLC

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Date Posted: 4/20/2008 6:13:08 PM  Status: Live
Analysis of circuit RLC
Course Textbook Chapter Problem
Analog Circuits Analysis of circuit in engineering, 6th, William H. hayt, jr 9 N/A
Question Details:
I cannot find the voltage Vx  for t> 0 in the showed circuit...

Answers:

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Date Posted: 4/20/2008 6:20:54 PM  Status: Live
Asker's Rating: Lifesaver   
Response:
since the 1 ohm, 4 henries and 3 farads are in parallel, they have the same voltage, and the voltage across a capacitor cannot change abruptly.  Therefore all three voltages cannot change abruptly, and
 
Vx(0-) = Vx(0+)
 
Vx(0-) = 12V (1ohm/5ohm) = 2.4V = Vx(t > 0)
littleloco's Comment:
The response is in exponential function of the time

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Date Posted: 4/21/2008 5:07:00 PM  Status: Live
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Response:
SOMEBODY HELP ME PLEASE



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