1. Limited time only! Sign up for a free 30min personal tutor trial with Chegg Tutors
    Dismiss Notice
Dismiss Notice
Join Physics Forums Today!
The friendliest, high quality science and math community on the planet! Everyone who loves science is here!

Homework Help: Plotting total power

  1. Oct 26, 2009 #1
    For R=2 ohms plot Va as a function of V1 and V2. For V1 and V2 are between 0 and 20 volts. Second part is to find the values of V1 and V2 that produce Va = 0 while minimizing the total power absorbed by the resistors (hint you may want a second plot of total power as a function of V1 and V2).

    R = 2 ohms
    V1 = 0:1:20
    V2 = 0:1:20
    Va = in terms of V1 and V2/=0
    KCL at supernode


    As you can see I've already solved the first part. and here is the equations or KCL being applied at the supernode. I've also set Va equal to zero and solved getting 16 = V1 - V2. Now I'm at a loss as to how to proceed. The plotting part in Matlab is easy but I'm unsure how what the second part is even really asking. Any help would be greatly appreciated.
    Last edited: Oct 27, 2009
  2. jcsd
Share this great discussion with others via Reddit, Google+, Twitter, or Facebook

Can you offer guidance or do you also need help?
Draft saved Draft deleted