E5C04 (D)
In polar coordinates, what is the impedance of a network consisting of a 400-ohm-reactance capacitor in series with a 300-ohm resistor?
A. 240 ohms at an angle of 36.9 degrees
B. 240 ohms at an angle of -36.9 degrees
C. 500 ohms at an angle of 53.1 degrees
D. 500 ohms at an angle of -53.1 degrees
