Answered: A system consisting of three equal…

A system consisting of three equal resistors connected in star is fed from a three-phase supply. By how much is the power reduced if one of the three resistors is disconnected? 0.75 0.667 0.333 0.5

EBK ELECTRICAL WIRING RESIDENTIAL

19th Edition

ISBN:9781337516549

Author:Simmons

Publisher:Simmons

Chapter29: Service-entrance Calculations

Section: Chapter Questions

Problem 7R: What is the calculated load for an electric range rated at 16 kW? (Table 220.55) Show calculations.

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Question

A system consisting of three equal resistors connected in star is fed from a three-phase
supply. By how much is the power reduced if one of the three resistors is
disconnected?
0.75
0.667
0.333
0.5

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