railway RRB JE (CBT I + CBT II) Mock Test 2024 Electrical Machines Single Phase Motor and Special Machines Servo Motors
Which of the following statements is NOT true about servo motors?
1
Internally, a servo motor combines a motor, feedback circuit, controller and other electronic circuit.
2
A servo motor is used for continuous energy conversion.
3
A servo motor is a linear or rotary actuator that provides fast precision position control for closed-loop position control applications.
4
Servo motors have a high speed response due to low inertia and are designed with small diameter and long rotor length.