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In the figure below, the gray rod has uniform linear charge density X.
The z component of the infinitesimal electric field at point z, due to the infinitesimal element of
charge contained in the infinitesimal line element dx can be written as dE₂ =
z, Adr
(2²² +23)
k₂, A dz
(2²+4)
A
x dx
kzy dz
(2²³² +3³)
there is not enough information to determine
3
(2²+2)ā
kz₂ A dz
(z +z) ៖
none of these

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