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+//Example number 7.11, Page number 150
+
+clc;clear;
+close;
+
+//Variable declaration
+A=180*10**-4;     //area(m**2)
+epsilonr=8;     //relative permittivity
+C=3*10**-6;     //capacitance(F)
+V=10;          //potential(V)
+epsilon0=8.85*10**-12;    
+//Calculation
+E=V*C/(epsilon0*epsilonr);    //field strength(V/m)
+dm=epsilon0*(epsilonr-1)*A*E;     //total dipole moment(coul m)
+//Result
+printf("field strength is %.4e V/m",E)
+printf("\n total dipole moment is %.4e Coul.m",dm)
+//answer in the book is wrong"