Q
The torque of a rotor in an induction motor under running condition is maximum__________?
-
A
A. At the unit value of slip
-
B
B. At the zero value of slip
-
C
C. At the value of the slip which makes rotor reactance per phase equal to the resistance per phase
-
D
D. At the value of the slip which makes the rotor reactance half of the rotor
Correct Answer:
C. C. At the value of the slip which makes rotor reactance per phase equal to the resistance per phase