State Variable Analysis on Control Systems related Questions and Answers

Question :   " For two-phase AC servomotor, if the rotor's resistance and reactance are respectively R and X, its length and diameter are respectively L and D then," 1. " X/R and L/D are both small" 2. " X/R is large but L/D is small" 3. " X/R is small but L/D is large" 4. " X/R and L/D are both large" Answer :   3 - " X/R is small but L/D is large"