initial commit / add all books

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diff --git a/431/CH3/EX3.14/EX3_14.sce b/431/CH3/EX3.14/EX3_14.sce
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+//Calculate current and power input

+//Chapter 3

+//Example 3.14

+//page 217

+clear;

+clc; 

+disp("Example 3.14")

+N1=90;                //number of primary turns

+N2=180;                //number of secondary turns

+R1=0.067;              //primary resistance in ohms

+R2=0.233;              //secondary resistance in ohms

+printf("Primary winding resistance referred to secondary side=%fohms",(R1*(N2/N1)^2))

+printf("\nsecondary winding resistance referred to primary side=%fohms",(R2*(N1/N2)^2))

+printf("\nTotal resistance of the transformer refferred to primary side=%fohms",((R1*(N2/N1)^2)+(R2*(N2/N1)^2)))
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diff --git a/431/CH3/EX3.14/resultEX3_14.txt b/431/CH3/EX3.14/resultEX3_14.txt
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+ Example 3.14   

+Primary winding resistance referred to secondary side=0.268000ohms

+secondary winding resistance referred to primary side=0.058250ohms

+Total resistance of the transformer refferred to primary side=1.200000ohms 
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