Help with Series RLC circuit

t_n_k

Joined Mar 6, 2009
5,448
Write the KVL differential equation form for the simple series loop comprising the capacitor, inductor and two 60Ω resistors. Use the voltage on 1mF C at t=0 as the initial condition and decide what the current will be at t=∞. You've correctly stated that i(0+)=0.

Then solve the differential equation per standard methods to find i(t).
 

Thread Starter

wiz0r

Joined May 2, 2008
64
Write the KVL differential equation form for the simple series loop comprising the capacitor, inductor and two 60Ω resistors. Use the voltage on 1mF C at t=0 as the initial condition and decide what the current will be at t=∞. You've correctly stated that i(0+)=0.

Then solve the differential equation per standard methods to find i(t).
Edited for assignment purposes...
 
Last edited:

Thread Starter

wiz0r

Joined May 2, 2008
64
After several headaches and the help of others I found out that:

i(t) = 0.388e^(-10.73 * t) + -0.388e^(-37.26 * t)

Woohoo.. topic closed..
 

thatoneguy

Joined Feb 19, 2009
6,349
This thread will certainly help those who come along in 6 months asking the same question. :rolleyes:
 
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