E5C15 (A)
In polar coordinates, what is the impedance of a circuit of 100 -j100 ohms impedance?
A. 141 ohms at an angle of -45 degrees
B. 100 ohms at an angle of 45 degrees
C. 100 ohms at an angle of -45 degrees
D. 141 ohms at an angle of 45 degrees
