PMDC when coupled to a rotating shaft would generate a voltage proportional to speed and thus would serve as____________
A. Tachometer
B. Servomotor
C. D.C. motor
D. A.C. motor
Answer:A
PMDC when coupled to a rotating shaft would generate a voltage proportional to speed and thus would serve as____________
A. Tachometer B. Servomotor C. D.C. motor D. A.C. motor
Explanation: Tachometer is a device that has relationship between voltage and speed and this is used in the controller to enhance the gain of the control system.