What is the use of the slot in the rotor?
(a) for inserting the field windings
(b) for inserting the armature windings
(c) for securing the field windings
(d) for inserting and securing the field windings
I got this question by my school teacher while I was bunking the class.
I'd like to ask this question from Construction of Turbo-Alternators topic in division Design of Synchronous Machines of Design of Electrical Machines