- #1
dwn
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Homework Statement
Image
Homework Equations
Critical damping : e-αt(At + B)
R = 1.5
The Attempt at a Solution
I'd like to post this before anything else to make sure that I've analyzed the circuit correctly.
Code:
t < 0: v[SUB]c[/SUB](0) = 9V , i[SUB]L[/SUB](0) = 9/4 = 2.25A
i = e[SUP]-t/3[/SUP](At + B)
i(0) = B = 2.25A
di/dt = -1/3e[SUP]-t/3[/SUP](At + 2.25) + Ae[SUP]-t/3[/SUP]
di(0)/dt = -1/3*2.25+ A = V[SUB]c[/SUB](0) = 9V
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