Maximum Power

Discussion in 'Homework Help' started by Agonche, Sep 2, 2011.

  1. Agonche

    Thread Starter Member

    Aug 26, 2011
    30
    0
    E1=120V; E2=60V; R1=R2=R3=R=30ohm

    a)Find the value of Rsh, for maximum power on that resistor.
    b)Find that power.

    [​IMG]

    So...Rsh should equal to Rth (Thevenin)
    a) Rth=R1+R1||R2||R3=30+10=40ohm
    b) Eth=20V
    I=0.25A
    P=I^2*Rsh=2.5W

    Am I right ?
     
  2. Agonche

    Thread Starter Member

    Aug 26, 2011
    30
    0
    Anyone...PLEASE

    BUMP
     
  3. Jony130

    AAC Fanatic!

    Feb 17, 2009
    3,962
    1,097
    Yes, your answer looks good.
    Are you happy now ?
     
  4. Agonche

    Thread Starter Member

    Aug 26, 2011
    30
    0
    yeah, I wasn't sure about Eth
     
Loading...