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Physics
Physics
Problem
State the expression for the electric potential
V
V
V
at a point
P
P
P
due to a system of
n
n
n
point charges
q
1
,
q
2
,
…
,
q
n
q_1,q_2,\dots ,q_n
q
1
,
q
2
,
…
,
q
n
located at distances
r
1
,
r
2
,
…
,
r
n
r_1,r_2,\dots ,r_n
r
1
,
r
2
,
…
,
r
n
from
P
P
P
.
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