1.

Two infinte plane sheets A and B are shown in the figure the surface charge densities on A and B are (2//pi) xx 10^(-9)C//m^(2)and (-1 //pi) xx 10 ^(-9)C//m^(2) rospectively .C,D, E are three points where electric fields (in N/C)are E_(C) , E_(D) and E_(E) repectively.

Answer»

`vecE_(C)= 18hati`
`vecE_(D)= 54hati`
`vecE_(D)= 18hati`
`vecE_(E)= 18hati`

ANSWER :B,d


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