ElectrostaticsHard
Question
X and Y are large, parallel conducting plates closed to each other. Each face has an area A. X is given a charge Q. Y is without any charge. Points A, B and C are as shown in figure :
Options
A.The field at B is 
B.The field at B is 
C.The field at A, B and C are of the same magnitude
D.The field at A and C are of the same magnitude, but in opposite directions
Solution
Surface charge density at inner surface of X is
σ =
∴ Electric field at B due to this is
Towards right and in same direction of same value due to induced charged present inside surface of plate Y.
σ =
∴ Electric field at B due to this is
Towards right and in same direction of same value due to induced charged present inside surface of plate Y.
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