[4]An a.c. tachometer is just a ________with one phase excited from the carrier frequency.
A. Two-phase A.C. servomotor
B. Two-phase induction motor
C. A.C. operated universal motor
D. Hybrid stepper motor.
Answer:D
[4]An a.c. tachometer is just a ________with one phase excited from the carrier frequency.
A. Two-phase A.C. servomotor B. Two-phase induction motor C. A.C. operated universal motor D. Hybrid stepper motor.