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Physics
Physics
Problem
An electric dipole has dipole moment magnitude
3.0
×
10
−
8
C
m
3.0 \times 10^{-8}\,\text{C\,m}
3.0
×
1
0
−
8
C
m
. Calculate the electric potential at a point situated
0.20
m
0.20\,\text{m}
0.20
m
from the dipole centre and making an angle of
60
∘
60^{\circ}
6
0
∘
with the dipole axis. \;Take
1
4
π
ε
0
=
9.0
×
10
9
N
m
2
C
−
2
\dfrac{1}{4\pi\varepsilon_0}=9.0 \times 10^{9}\,\text{N\,m}^2\text{C}^{-2}
4
π
ε
0
1
=
9.0
×
1
0
9
N
m
2
C
−
2
.
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