plot overdamped response of the voltage across the capacitor.

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Sasheel Maharaj
Sasheel Maharaj 2020-3-12
回答： Divya Yerraguntla 2020-3-16
Over-damped response: Vi = 0 V, Vf = 10 V, R = 250 Ω, L = 10 mH, and C = 1 μF.
this is the equation for the voltage across the capacitor, but when i plot it on matlab i get straight lines and not a curve.
vC (t) = − 13.33Vexp(−t/0.2 ms) + 3.33Vexp(−t/50 μs) + 10V
thanks in advance.

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Divya Yerraguntla
Divya Yerraguntla 2020-3-16
Hi Sasheel,
The voltage across the capacitor is getting saturated at approximately 1ms itself but your code is plotting the data until 1.5 seconds. So, try rescaling 't' to milliseconds instead of seconds to observe the exponential response. Try running the below code:
t= 0:0.000005:0.002;
y = -13.33*exp(-t/0.0002)+3.33*exp(-t/0.00005)+10;
plot(t,y);
Hope it helps!

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