Question

In a star connected system, the relation between VYB, Vph is? (a) VYB = Vph (b) VYB = 3√3Vph (c) VYB = 3Vph (d) VYB = √3Vph This question was posed to me in an interview for internship. My enquiry is from Voltage, Current and Power in a Star Connected System topic in section Polyphase Circuits of Network Theory Select the correct answer from above options network theory questions and answers, network theory questions pdf, network theory question bank, network theory gate questions and answers pdf, mcq on network theory pdf, gate network theory questions and solutions, network theory mcq Test , ies network theory questions, Network theory Questions for GATE EC Exam, Network Theory MCQ (Multiple Choice Questions)

Answer 1

The correct answer is (d) VYB = √3Vph The explanation: In a star connected system, the relation between VYB, Vph is VYB = √3Vph. The line voltage VYB is equal to the phasor difference of VYN and VBN and is equal to √3Vph.