# 2.1)  Two charges  and  are located 16 cm apart. At what point(s) on the line joining the two charges is the electric potential zero? Take the potential at infinity to be zero.

Given, two charge particles

The separation between two charged particle

Now, let's assume the point P between two charged particles where the electric potential is zero is x meter away from  and  meter away from

So,

The potential at point P :

Hence the point between two charged particles where the electric potential is zero lies 10cm away from  and 6 cm away from

Now, Let's assume a point  Q which is outside the line segment joining two charges and having zero electric potential .let the point Q lie r meter away from  and  (0.16+r) meter away from

So electric potential at point Q = 0

Hence the Second point where the electric potential is zero is 24cm away from  and 40cm away from

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