# Maximum Power Transfer Theorem DC & AC

Discussion in 'Homework Help' started by Agonche, Dec 20, 2011.

1. ### Agonche Thread Starter Member

Aug 26, 2011
30
0
Can anyone help me with the theorem "Maximum Power Transfer" on DC and AC circuits.

I know that
$R_{L}=R_{S}$
and
$X_{L}=-X_{S}$

but why. I need a proof.
can anyone explain the derivative of dP/dR, or how it should be solved.
any information would be appreciated.

Sep 13, 2010
735
43