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//=====================================================================================
//Chapter 13 example 1
clc;clear all;
//variable declaration
l = 0.6; //length of solenoid in m
N = 600; //number of turns
I = 2; //current passing through solenoid in A
ur = 1; //air coiled solenoid
r = 0.025; //radius in m
//calculations
H = (N*I)/(l); //magnetic field at the centre in AT/metre
u0 = 4*(%pi)*(10^-7); //flux
a = ((%pi)/(4))*(r^2); //area
phi = ur*u0*H*a; //flux passing through thesecondary coil
//calculations
mprintf("magnetic field = %3.2f AT/metre",H);
mprintf("flux = %3.2e Wb",phi);
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