//To find the Electric Potential //Example 29.4 clear; clc; Q1=10*10^-6;//First Charge in Coloumbs Q2= 20*10^-6;//Second Charge in Coloumbs r=0.02;//Distance between the charges in metres K=9*10^9;//Value of constant (1/(4*pi*ε0)) V1=Q1*K*2/r;//Electric Potential due to First Charge V2=Q2*K*2/r;//Electric Potential due to Second Charge V=V1+V2;//Net Potential printf("net potential=%f MV",V/10^6);