Question

In a delta-connected system, the currents IR = IB = IY =? (a) IPh (b) 2IPh (c) 3IPh (d) 4IPh I got this question by my college professor while I was bunking the class. This question is from Voltage, Current and Power in a Delta Connected System in chapter 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 option is (a) IPh To elaborate: In a delta-connected system, the currents IR = IB = IY = IPh. Since the system is balanced, the sum of the three voltages round the closed mesh is zero; consequently no current can flow around the mesh when the terminals are open.