initial commit / add all books

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diff --git a/3760/CH1/EX1.79/Ex1_79.sce b/3760/CH1/EX1.79/Ex1_79.sce
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+clc;

+// after deriving the expression for both the transformer and auto transformer

+k=0.8; // ratio of V2/V1(turns ratio)

+W=100; // Power to be delivered in KW

+pf=1; // unity power factor

+n=0.96; // given efficiency

+disp('for two winding transformer');

+ks=W; 

+printf('KVA rating for secondary of two winding transformer is %f KVA\n',ks);

+kp=ks/n;

+printf('KVA rating for primary of two winding transformer is %f KVA\n',kp);

+disp('for auto transformer');

+kab=(W/n)*(1-k);

+printf('KVA rating for section AB of autotransformer is %f KVA\n',kab);

+kbc=W*(1-k/n); 

+printf('KVA rating for section BC of autotransformer is %f KVA\n',kbc);