If an unbalanced supply is fed to an induction motor, it will cause excessive heating of ____________
(a) rotor
(b) stator
(c) rotor shaft
(d) all of the mentioned
The question was posed to me by my college director while I was bunking the class.
I want to ask this question from Power Factor Control of Three Phase Induction Motors topic in section Induction Machines of Electrical Machines