Answer : The capacitors used in single-phase capacitor motors have no polarity marking.
Description : Stepper motors are used in (1) printers (2) lifts (3) amplifiers (4) oscillators
Answer : Stepper motors are used in printers
Answer : Starters are used with D.C. motors because to restrict armature current as there is no back e.m.f. while starting.
Answer : Reason is kinetic energy
Answer : If a single phase induction motor runs slower than normal, the most likely defect is worn bearings.