initial commit / add all books

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diff --git a/431/CH3/EX3.32/EX3_32.sce b/431/CH3/EX3.32/EX3_32.sce
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+//Calculate current in different parts of winding of autotransformer//Chapter 3

+//Example 3.32

+//page 240

+clear;

+clc;

+disp("Example 3.32")

+V1=230;                    //primary voltage of auto-transformer

+V2=75;                     //secondary voltage of auto-transformer

+r=(V1/V2);                  //ratio of primary to secondary turns

+I2=200;                    //load current in amperes

+I1=I2/r;

+printf("Primary current,I1=%fA",I1);

+printf("\nLoad current,I1=%fA",I2);

+printf("\ncirrent flowing through the common portion of winding=%fA",(I2-I1));

+printf("\nEconomy in saving in copper in percentage=%fpercent",(100/r));

+

diff --git a/431/CH3/EX3.32/resultEX3_32.txt b/431/CH3/EX3.32/resultEX3_32.txt
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+  

+ Example 3.32   

+Primary current,I1=65.217391A

+Load current,I1=200.000000A

+cirrent flowing through the common portion of winding=134.782609A

+Economy in saving in copper in percentage=32.608696percent 
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