Reason (R): Servomotor should have smaller electrical and mechanical time constants for faster response.
A. Both A and R are true and R is the correct explanation of A
B. Both A and R are true but R is not correct explanation of A
C. A is true but R is false
D. A is false but R is true
Answer:D
Reason (R): Servomotor should have smaller electrical and mechanical time constants for faster response.
A. Both A and R are true and R is the correct explanation of A B. Both A and R are true but R is not correct explanation of A C. A is true but R is false D. A is false but R is true
Explanation: Ac servomotors are essentially induction motor with low X/R ratio for the rotor which has very low inertia.