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A dc generator has a mechanical efficiency at 98.2% and an electrical efficiency of 95.9%. Find the commercial efficiency. A. 96.5% B. 97.4% C. 988 D. 94.2%

A dc generator has a mechanical efficiency at 98.2% and an electrical efficiency of 95.9%. Find the commercial efficiency. A. 96.5% B. 97.4% C. 988 D. 94.2%

Delmar's Standard Textbook Of Electricity
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 3RQ: 3. What is power factor?
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A dc generator has a mechanical efficiency at 98.2% and an electrical efficiency of 95.9%. Find the commercial efficiency. A. 96.5% B. 97.4% C. 98% D. 94.2%
Transcribed Image Text:A dc generator has a mechanical efficiency at 98.2% and an electrical efficiency of 95.9%. Find the commercial efficiency. A. 96.5% B. 97.4% C. 98% D. 94.2%
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