A resistor of 3 kΩ, a 0.05 µF capacitor, and a 120 mH coil are in series across a 5 kHz, 20 V ac source. What is the impedance, expressed in polar form?

A resistor of 3 kΩ, a 0.05 µF capacitor, and a 120 mH coil are in se

1.	A resistor of 3 kΩ, a 0.05 µF capacitor, and a 120 mH coil are in series across a 5 kHz, 20 V ac source. What is the impedance, expressed in polar form?
A.	636 Ω
B.	3,769 Ω
C.	433 Ω
D.	4,337 Ω
Answer» E.