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diff --git a/2780/CH10/EX10.6/Ex10_6.sce b/2780/CH10/EX10.6/Ex10_6.sce
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+clc
+//to calculate relative permeability of the medium
+phi=1.5*10^-3 //magnetic flux in weber
+l=%pi*50*10^-2 //length in m
+A=10*10^-4 //area of cross-section
+N=1000 //number of turns
+i=5 //current in A
+muo=4*%pi*10^-7
+//phi(magnetic flux)=m.m.f/reluctance
+//phi=N*i*muo*mur*A/l
+//we get,
+mur=phi*l/(N*i*A*muo)
+disp("relative permeability of the medium is mur="+string(mur)+"unitless")