The impedance seen by the source in the circuit in the figure

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The impedance seen by the source in the circuit in the figure is given by

1. (0.54 + j0.313) ohms
2. (4 – j2) ohms
3. (4.54 – j1.69) ohms
4. (4 + j2) ohms

Correct Option: C

Z'_L = 10∠30°		1		²
		4

= (0.54 + j0.31)Ω
Total impedance = (4.54 – j1.69)Ω