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JEE Main Physics Class 12 Electric Charges and Fields Questions
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© examsnet.com
Question : 36
Total: 108
A charge
q
is placed at one corner of a cube as shown in figure. The flux of electrostatic field
E
through the shaded area is
[25 Feb 2021 Shift 2]
q
48
ε
0
q
4
ε
0
q
8
ε
0
q
24
ε
0
Validate
Solution:
Given, charge
q
is at one of the corner of the cube.
∴
Contribution of
q
in cube will be
q
enclosed
=
q
∕
8
As, only 3 faces of cube is allowing the flux lines to pass through it.
∴
Flux
(
φ
)
=
q
enclosed
ε
0
=
1
3
q
∕
8
ε
0
=
q
24
ε
0
© examsnet.com
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