Module 2
:
Electrostatics
Lecture 9
:
Electrostatic Potential
In the polar
coordinates shown in the figure
where
and
are unit vectors in the radial and tangential directions, taken respectively, in the direction of increasing
and increasing
.
The electric potential at a point P with a position vector
is
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
coordinates shown in the figure
and 
are unit vectors in the radial and tangential directions, taken respectively, in the direction of increasing 
and increasing 
.
is
