An iron-cored transformer working at a. maximum flux density of 0-8 Wb/m is replaced by silicon steel working at a maximum flux density of 1-2 Wb/m. If the lotal flux is to remain unchanged, what is the reduction in volume expressed as a percentage of the original volume ? The frequency and voltage per turn are the same. (1) 33 % (ii) 9% (iii) 22 % (iv) 11 %
An iron-cored transformer working at a. maximum flux density of 0-8 Wb/m is replaced by silicon steel working at a maximum flux density of 1-2 Wb/m. If the lotal flux is to remain unchanged, what is the reduction in volume expressed as a percentage of the original volume ? The frequency and voltage per turn are the same. (1) 33 % (ii) 9% (iii) 22 % (iv) 11 %
Introductory Circuit Analysis (13th Edition)
13th Edition
ISBN:9780133923605
Author:Robert L. Boylestad
Publisher:Robert L. Boylestad
Chapter1: Introduction
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
Transcribed Image Text:2. An iron-cored transformer working at a
maximum flux density of 0-8 Wb/m is
replaced by silicon steel working at a
maximum flux density of 1-2 Wb/m. If
the lotal flux is to remain unchanged, what
is the reduction in volume expressed as a
percentage of the original volume ? The
frequency and voltage per turn are the same.
(i) 33 %
(iii) 22 %
2
(ii) 9%
(iv) 11 %
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