In a three phase induction motor, voltage between the slip rings at standstill is 50 V. At full load the slip is 0.04. The voltage between slip rings at full load is?
(a) 2V
(b) 50V
(c) 20V
(d) 5V
I got this question by my college professor while I was bunking the class.
Question is taken from Rotor EMF, Current and Power topic in section Induction Machines of Electrical Machines