a. Find total impedance Z_T and the total current |I_S| [\angle \deg ] b. Find the total complex power in rectangular and polar form and the total apparent power |S_T] . [\angle \deg ] c.Find the power factor pf = lagging or leading and hand written sketch the power triangle for the total complex power.

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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.