Find the Nortno equivalent circuit on the circuit.  How can you choose the correct resistance value? Calculation of the sought values: Voc or Isc Req What is the value of the power transferred to the connected load? What happens if the wrong value is chosen? Calculate the value of the percentage of the maximum possible transferred power, if instead of the chosen load, a resistance value that is worth 3/5 of the chosen load is connected.

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Maximum power transfer theorem

A resistive load will consume maximum power from a network when the load resistance is equal to the resistance of the network as viewed from the open-circuit terminals, with all energy sources removed leaving only the internal resistances. Physicist Moritz von Jacobi introduced the maximum power transfer theorem in 1940. Therefore, this theorem is also known as Jacobi's law.