A non ideal ac voltage source Vs has an internal impedance of Zs. If a purely resistive load is to be chosen that maximized the power transferred to the load, its value must be:

A non ideal ac voltage source Vs has an internal impedance of Zs. If a

1.	A non ideal ac voltage source Vs has an internal impedance of Zs. If a purely resistive load is to be chosen that maximized the power transferred to the load, its value must be:
A.	0
B.	Real part of Zs
C.	Magnitude of Zs
D.	Complex conjugats of Zs
Answer» D. Complex conjugats of Zs