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CGPET 2017 Solved Paper
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© examsnet.com
Question : 49
Total: 150
Two infinite plane, parallel sheets separated by a distance
d
have equal and opposite charge densities
σ
.
The electric field at a point between the sheets
is zero
is
σ
ε
0
is
σ
2
ε
0
depends upon the location of the point
Validate
Solution:
Given that plates have surface charge densities
+
σ
and
−
σ
respectively. Since both sheets are charged the resultant electric field is given by
E
′
=
E
+
E
=
2
E
The charge density is
sigma
the electric field in between the plates
2
E
=
2
σ
2
ε
0
=
σ
ε
0
© examsnet.com
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