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// Example 5.2
l=4; // Layers of Solenoid
w=350; // turns Winding
s=0.5; // Length of Solenoid
n=(l*w)/s; // No.Of turns
I=6; // Current in the Solenoid
mo=4*%pi*10^-7; // Permeability of free Space
B=mo*n*I; // Formula for Megnetic Field at the centre
disp('(a) Megnitude of field near the Centre of Solenoid = '+string(B)+' Tesla');
B1=B/2; // Formula for Megnetic Field at the end
disp('(b) Megnitude of field at the end of Solenoid = '+string(B1)+' Tesla');
disp('(c) Megnetic Field outside the solenoid is Negligible');
// p 188 5.2
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