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Physics
Physics
Problem
A point charge
q
q
q
is placed at the centre of a hollow cube of edge length
a
a
a
. The magnitude of electric flux passing through one face of the cube is a)
q
/
ε
0
q/\varepsilon_0
q
/
ε
0
b)
q
/
(
4
π
ε
0
)
q/(4\pi\varepsilon_0)
q
/
(
4
π
ε
0
)
c)
q
/
(
6
ε
0
)
q/(6\varepsilon_0)
q
/
(
6
ε
0
)
d)
q
/
(
12
ε
0
)
q/(12\varepsilon_0)
q
/
(
12
ε
0
)
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