If an induction motor with certain ratio of rotor to stator slots, runs at 1/7 of the normal speed, the phenomenon will be termed as
A. humming
B. hunting
C. crawling
D. cogging
Answer:C
If an induction motor with certain ratio of rotor to stator slots, runs at 1/7 of the normal speed, the phenomenon will be termed as
A. humming B. hunting C. crawling D. cogging