In a balanced three-phase system-delta load, if we assume the line voltage is VRY = V∠0⁰ as a reference phasor. Then the source voltage VBR is?
(a) V∠120⁰
(b) V∠240⁰
(c) V∠-240⁰
(d) V∠-120⁰
The question was asked during an interview.
Enquiry is from Three-Phase Balanced Circuits in portion Polyphase Circuits of Network Theory
Select the correct answer from above options
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