In a synchronous generator, the frequency of the generated EMF depends on ___________
(a) rotational speed
(b) poles
(c) both rotational speed and poles
(d) none of the mentioned
I got this question by my school principal while I was bunking the class.
My question is based upon Constructional Features of Rotating Electrical Machines-3 in chapter Constructional Features of Rotating Electrical Machines of Electrical Machines