The operating characteristics of a reactance type distance relay

(A) a stepped waveform for increasing reactance

(B) a straight line for a constant reactance

(C) a circle for a constant reactance

(D) a set of circles for variable reactances

(A) a stepped waveform for increasing reactance

(B) a straight line for a constant reactance

(C) a circle for a constant reactance

(D) a set of circles for variable reactances