31. We denote the radius of the thin cylinder as
R
= 0.015 m. Using Eq. 2312, the net
electric field for
r
>
R
is given by
net
wire
cylinder
00
22
EE
E
rr
ε
′
−
λλ
=+
=
+
ππ
where –
λ
= –3.6 nC/m is the linear charge density of the wire and
λ
'
is the linear charge
density of the thin cylinder. We note that the surface and linear charge densities of the
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This note was uploaded on 09/07/2010 for the course PHYS 247 taught by Professor Zv during the Fall '10 term at The Petroleum Institute.
 Fall '10
 ZV
 Charge

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