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//Example 16_9
clc();
clear;
//To compute the absolute potential at B
k=9*10^9 //Units in N meter^2/C^2
q=5*10^-8 //Units in C
r=0.1 //Units in meters
v1=(k*q)/r //Units in V
q=8*10^-8 //Units in C
r=0.1 //Units in meters
v2=(k*q)/r //Units in V
q=40*10^-8 //Units in C
r=0.2 //Units in meters
v3=-(k*q)/r //Units in V
vb=v1+v2+v3 //Units in V
printf("Due to 5*10^-8 C V1=%d V\nDue to 8*10^-8 C V2=%d V\nDue to 40*10^-8 C V3=%d V\n Absolute potential at B is Vb=%d V",v1,v2,v3,vb)
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