For two-phase AC servomotor, if the rotor’s resistance and reactanc – McqOptions

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1.	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,
A.	X/R and L/D are both small
B.	X/R is large but L/D is small
C.	X/R is small but L/D is large
D.	X/R and L/D are both large
Answer» D. X/R and L/D are both large

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