In delta-connected system, the currents IR, IY, IB are equal in magnitude and they are displaced by _____ from one another.
(a) 0⁰
(b) 60⁰
(c) 90⁰
(d) 120⁰
I had been asked this question in semester exam.
Asked question is from Voltage, Current and Power in a Delta Connected System topic in portion Polyphase Circuits of Network Theory