This preview shows page 1. Sign up to view the full content.
30. Consider an infinitesimal segment of the rod, located between
x
and
x + dx
. It has
length
dx
and contains charge
dq =
λ
dx
, where
λ
=
Q
/
L
is the linear charge density of the
rod. Its distance from
P
1
is
d
+
x
and the potential it creates at
P
1
is
dV
dq
dx
dx
=
+
=
+
1
4
1
4
00
ππ
λ
εε
.
To find the total potential at
P
1
, we integrate over the length of the rod and obtain:
This is the end of the preview. Sign up
to
access the rest of the document.
This note was uploaded on 10/28/2010 for the course PHY 154 taught by Professor Rg during the Fall '10 term at Abu Dhabi University.
 Fall '10
 RG
 Physics, Charge

Click to edit the document details