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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