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+//Chapter 1, Example 1.4
+clc
+n=105                           //no of coil turns
+a=8*10^-5                       //cross sectional area in metre square
+ur=230                          //relative permeability
+uo=4*%pi*10^-7                  //permeability of air
+Erms=10*10^-6                   //electric field strength
+f=10^6                          //frequency in hertz
+
+//calculation
+erms=n*2*%pi*f*ur*uo*Erms*a*cos(0)
+
+printf("r.m.s open circuit voltage = %.2f microVolt",erms*10^6)