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//Chapter 9, Problem 14
clc;
N=1500; //no of turns
phi=25*10^-3; //flux
I=3; //current in coil
dI=3-0; //change in current
dt=150*10^-3; //change in time
L=(N*phi)/I; //calculating inductance
W=(1/2)*L*I^2; //calculating energy stored
E=-L*(dI/dt); //calculating induced emf
disp("(a)");
printf("Inductance = %f H\n\n",L);
disp("(b)");
printf("Energy stored = %f J\n\n",W);
disp("(c)");
printf("Induced e.m.f = %d V",E);
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