1.

Three identical plates of area A are arranged as shown. A charge +Q is given to plate (2). Then,

Answer»

charge `+2Q//3` appears on plate `1`
charge `-2Q//3` appears on plate `1`
charge `-Q//3` appears on plate `3`
charge on two faces of plate `2` are `2Q//3` and `Q//3`

SOLUTION :The system is EQUIVALENT to
`(q_(1))/(C_(1))=(q_(2))/(C_(2))=(q_(1)+q_(2))/(C_(1)+C_(2))`
`:. q_(1)=(C_(1)Q)/(C_(1)+C_(2)).q_(2)=(C_(2)Q)/(C_(1)+C_(2))`


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