Question: The phasor voltage V a b in the circuit shown in ( Figure 1 ) is 4 2 0 ? 0 V ( rms )

The phasor voltage Vab in the circuit shown in (Figure 1) is 420?0V(rms) when no external load is connected to the terminals a,b. When a load having a resistance of 100 is connected across a,b, the value of Vab is 210-j70V( ms ).
Figure
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Part A
Find the impedance that should be connected across a, b for maximum average power transfer.
Express your answer in ohms to three significant figures in rectangular form.
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Part B
Find the maximum average power transferred to the load of Part'A.
Express your answer to three significant figures and include the appropriate units.
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Part C
The phasor voltage V a b in the circuit shown in

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