One of the impedance relays has a circular motion, with a radius of 4 ohms.
The center is at the origin.
When connected with a directional relay (Directional Relay) that has the characteristics According to the equation y = -x, what is the impedance value appears where the relay will not work.
A. 2 + j3 ohm
B. 2.5 + j3 ohms
C. 2 - j3 ohm
D. 1.5 + 3.5 ohms
Show Answer
Answer: C
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