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Diffstat (limited to '2912/CH8/EX8.4/Ex8_4.sce')
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1 files changed, 16 insertions, 0 deletions
diff --git a/2912/CH8/EX8.4/Ex8_4.sce b/2912/CH8/EX8.4/Ex8_4.sce new file mode 100755 index 000000000..80469c03a --- /dev/null +++ b/2912/CH8/EX8.4/Ex8_4.sce @@ -0,0 +1,16 @@ +//chapter 8
+//example 8.4
+//Calculate magnetic force and relative permeability
+//page 236-237
+clear;
+clc;
+//given
+I=3000; // in A/m (intensity of magnetisation)
+B=0.005; // in Wb/m^2 (magnetic flus intensity)
+pi=3.14;// value of pi used in the solution
+mu0=4*pi*1E-7; // in H/m (absolute permeability)
+//calculate
+H=(B/mu0)-I; // calculation of magnetic force
+printf('\nThe magnetic force is \tH=%.3f',H);
+mu_r=(I/H)+1; // calculation of relative permeability
+printf('\nThe relative permeability is \t%.3f',mu_r);
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