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//Chapter-6,Example 6_17,Page 6-34
clc()
//Given Values:
u0=4*%pi*10^-7 //Permeability in vacuum
ur=600 //Relative permeability of iron
d=12*10^-2 //mean diameter of ring in m
N=500 //Number of turns
i=0.3 //Current in windings of solenoid in Amperes
//Calculations:
r=d/2 //Radius of ring
B=u0*ur*N*i/(2*%pi*r) //Flux densityin the core
printf('Flux densityin the core is =%.1f Wb/m^2 \n \n',B)
H=B/(u0*ur) //Magnetic intensity
printf(' Magnetic intensity is =%.1f Amp-turns/m \n \n',H)
//We know that, B=u0(H+I)
I1=(B-u0*H)/u0 //magnetisation
I2=u0*I1 //Electronic current loop
I=I2/B*100 //Percentage flux density due to electroniuc loop currents
printf(' Percentage flux density due to electroniuc loop currents is =%.2f percent \n \n',I)
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