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e load of a certain transformer is 75% of its full load, its efficiency is maximum. a)p(fe)/p(cu)=9/16 b)p(fe)

e load of a certain transformer is 75% of its full load, its efficiency is maximum. a)p(fe)/p(cu)=9/16 b)p(fe)

Introductory Circuit Analysis (13th Edition)
Introductory Circuit Analysis (13th Edition)
13th Edition
ISBN:9780133923605
Author:Robert L. Boylestad
Publisher:Robert L. Boylestad
Chapter1: Introduction
Section: Chapter Questions
Problem 1P: Visit your local library (at school or home) and describe the extent to which it provides literature...
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When the load of a certain transformer is 75% of its full load, its efficiency is maximum.
a)p(fe)/p(cu)=9/16
b)p(fe)/p(cu)=16/9
c)p(fe)/p(cu)=1
D)p(fe)/p(cu)4/3
e)p(fe)/p(cu)=3/4

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