What is the maximum power transfer equation?

qwerty321 · Nov 8, 2008

hello!well i have the exercice below(attachement) and i need to find the maximum power transferred to Rl..how can i do this without even knowing the value of Rl?
thank you

CEL · Nov 8, 2008

Write the circuit equation for the power with Rl as an unknown. Then differentiate the equation wrt Rl and equal it to zero. The value found for Rl is the one that maximizes the power transfer.

qwerty321 · Nov 11, 2008

it is not working..can u please tell me the equation?

CEL · Nov 11, 2008

qwerty321 said:

it is not working..can u please tell me the equation?

According to the rules of the forum you must show your equation and how you got it. Then we can say where you did wrong.
Anyway, What is the current through Rl? What is the voltage across it?
Both the current and the voltage are functions of Rl.

What is the maximum power transfer equation?

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What is the maximum power transfer equation?

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