Three identical resistance are connected in a star fashion against a balanced three phase voltage supply. If one of the resistances be removed then the percentage reduction in power is (a) 17.32% (c) 14.14% (b) 33.33% (d) 50%
Three identical resistance are connected in a star fashion against a balanced three phase voltage supply. If one of the resistances be removed then the percentage reduction in power is (a) 17.32% (c) 14.14% (b) 33.33% (d) 50%
Delmar's Standard Textbook Of Electricity
7th Edition
ISBN:9781337900348
Author:Stephen L. Herman
Publisher:Stephen L. Herman
Chapter17: Resistive-inductive Series Circuits
Section: Chapter Questions
Problem 1RQ: 1. What is the relationship of voltage and current (concerning phase angle) in a pure resistive...
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How to find % reduction in power.
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