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JEE Advanced Model Paper 10 with solutions for online practice
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© examsnet.com
Question : 11
Total: 54
Three identical plates of area A are arranged as shown. A charge +Q is given to plate 2. Then
Charge +
2
Q
3
appears on plate 1
Charge -
2
Q
3
appears on plate 1
Charge -
Q
3
appears on plate 3
Charges on two faces of plate 2 are
2
Q
3
and
Q
3
Validate
Solution:
E
1
=
q
1
A
ε
0
E
2
=
q
2
A
ε
0
V
21
=
V
23
E
1
d
=
E
2
(2d)
q
1
=
2
q
2
q
1
+
q
2
= Q
q
1
=
2
Q
3
,
q
2
=
Q
3
© examsnet.com
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