Question

Two point charges each q, are placed at separation 2a. What will be the electric potential at mid point?

Answer 1

Answer:

See the attachment

Explanation:

Answer 2

The electric potential at mid point is $\dfrac{2kq}{a}$ .

Given :

Two point charges , q .

Separation between the charges , 2a .

Now , electric potential at a distance r is given as :

$E=\dfrac{kq}{r}$  ( Here , k is a constant )

We need to find the electric field due to both the sides :

$V_{net}=V_1+V_2\\\\V_{net}=\dfrac{kq}{a}+\dfrac{kq}{a}\\\\V_{net}=\dfrac{2kq}{a}$

Learn More :

Electrostatics

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