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Wher did the root come from

Wher did the root come from

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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Wher did the root come from? 

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TTanDJormers The secondary winding of a transformer has a terminal voltage of v (t) = 282.8 sin 377t V. The turns ratio of the transformer is 100:200 (a 0.50). i (1) = 7.07 sin (3771- 36.87) A, what is the primary current of this transformer? What are its voltage If the secondary current of the transformer is %3D regulation and efficiency? The impedànces of this transformer referred to the primary side are R = 0.20 Q R = 300 2 X =0.750 2 XM =80 2 SOLUTION The equivalent circuit of this transformer is shown below. (Since no particular equivalent circuit was specified, we are using the approximate equivalent circuit referred to the primary side.) Rosp=R, + aR, The secondary voltage and current are 282.8 20° V 20020 V 7.07 2-36.87 A = 5Z-36.87 A to the Dr
Transcribed Image Text:TTanDJormers The secondary winding of a transformer has a terminal voltage of v (t) = 282.8 sin 377t V. The turns ratio of the transformer is 100:200 (a 0.50). i (1) = 7.07 sin (3771- 36.87) A, what is the primary current of this transformer? What are its voltage If the secondary current of the transformer is %3D regulation and efficiency? The impedànces of this transformer referred to the primary side are R = 0.20 Q R = 300 2 X =0.750 2 XM =80 2 SOLUTION The equivalent circuit of this transformer is shown below. (Since no particular equivalent circuit was specified, we are using the approximate equivalent circuit referred to the primary side.) Rosp=R, + aR, The secondary voltage and current are 282.8 20° V 20020 V 7.07 2-36.87 A = 5Z-36.87 A to the Dr
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