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Sahay Sir > Question Answers > Uncategorised (JEE Advanced Physics by BM Sharma + GMP Solutions) > Three identical large metallic plates are placed parallel to each other at a very small separation as shown in figure. The central plate is given a charge Q. what amount of charge will flow to earth when the key is pressed ?

Three identical large metallic plates are placed parallel to each other at a very small separation as shown in figure. The central plate is given a charge Q. what amount of charge will flow to earth when the key is pressed ?

A charge Q is uniformly distributed over a long rod AB of elngth L as shown in the figure. The electric potential at the point O lying at a distance L from the end A is