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Physics
Problem
Equal positive point charges of magnitude
q
q
q
are fixed at each of the six vertices of a regular hexagon of side
a
a
a
. What is the magnitude of the net electric field at the centre of the hexagon? a)
k
q
a
2
\dfrac{kq}{a^{2}}
a
2
k
q
b)
0
0
0
c)
6
k
q
a
2
\dfrac{6kq}{a^{2}}
a
2
6
k
q
d)
3
k
q
a
2
\dfrac{3kq}{a^{2}}
a
2
3
k
q
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