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//calculating induced emf and maximium flux density
//Chapter 3
//Example 3.3
//page 197
clear;
clc;
disp("Example 3.3")
V1=230; //primary voltage in volts
f=50; //frequency in hertz
N1=100; //number of primary turns
N2=400; //number of secondary turns
A=250*10^(-4); //cross section area of core in m^2
disp("since at no-load E2=V2")
E2=(V1*N2)/N1;
printf("induced secondary winding,E2=%dV",E2);
phi=E2/(4.44*f*N2);
Bm=phi/A;
printf("\nMaximium flux density in the core=%fWb/m^2",Bm)
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