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Physics
Physics
Problem
Derive an expression for the potential difference
V
V
V
across a uniform metallic conductor of length
L
L
L
and cross-sectional area
A
A
A
carrying a steady current
I
I
I
in terms of the carrier concentration
n
n
n
, electronic charge
e
e
e
and mobility
μ
\mu
μ
.
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