If RR^‘, YY^‘ and BB^‘ constitutes three phase sequence if V^‘RR = Vmsinωt its corresponding field magnets are in clockwise direction, then V^‘YY =?
(a) Vmsinωt
(b) Vmsin(ωt+120⁰)
(c) Vmsin(ωt-120⁰)
(d) Vmsin(ωt-240⁰)
I have been asked this question in an online quiz.
Enquiry is from Polyphase System topic in section Polyphase Circuits of Network Theory