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+//Variable declaration
+rho=5*10**16; //resistivity(ohm m)
+l=5*10**-2; //thickness(m)
+b=8*10**-2; //length(m)
+w=3*10**-2; //width(m)
+
+//Calculation
+A=b*w; //area(m**2)
+Rv=rho*l/A;
+X=l+b; //length(m)
+Y=w; //perpendicular(m)
+Rs=Rv*X/Y;
+Ri=Rs*Rv/(Rs+Rv); //insulation resistance(ohm)
+
+printf('insulation resistance is %0.3f *10**18 ohm',(Ri/10**18))
+printf('answer varies due to rounding off errors') \ No newline at end of file