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Mathematica and RC circuits

• To: mathgroup at smc.vnet.net
• Subject: [mg56827] Mathematica and RC circuits
• From: "1s1kjake" <pennsylvaniajake at netscape.net>
• Date: Sat, 7 May 2005 04:16:40 -0400 (EDT)
• Sender: owner-wri-mathgroup at wolfram.com

I am trying to use Mathematica 5.1.1 to solve an RC circuit, and I am
having problems. When ever I use I or i for the current the program
keeps running untill it close down.  Then other problem, how do I set
up Mathematica to solve this equation for dvdt,  i = v/r + c dv/dr.
Then I want to plot this equation based on diferent current imputs.
thanks