Difference equation of simple RLC Circuit


by Eng67
Tags: circuit, difference, equation, simple
Eng67
Eng67 is offline
#1
Aug13-06, 11:30 AM
P: 21
I have been having a difficult time understanding how to determine the input/output difference equations of a circuit. I believe I am good on series circuits but would like some feedback on Series/parallel determinations. Please look at included file and see if I am on the correct path.
Attached Thumbnails
q2.jpg  
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doodle
doodle is offline
#2
Aug13-06, 09:53 PM
P: 161
Are you sure the answer you gave is correct?

I got
L d2(i_R)/dt2 + R d(i_R)/dt + (1/C) i_R = L d2(i)/dt2 + (1/C) i

or if you can render in Latex
[tex]L \frac{d^2 i_R}{dt^2} + R \frac{di_R}{dt} + \frac{i_R}{C} = L \frac{d^2 i}{dt^2} + \frac{i}{C}[/tex]


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