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Unformatted text preview: 62. The ﬁeld due to a sheet of charge is given by Eq. 24-13. Both sheets are horizontal (parallel to the xy
plane), producing vertical ﬁelds (parallel to the z axis). At points above the z = 0 sheet (sheet A), its
ﬁeld points upward (towards +z ); at points above the z = 2.0 sheet (sheet B ), its ﬁeld does likewise.
However, below the z = 2.0 sheet, its ﬁeld is oriented downward.
(a) The magnitude of the net ﬁeld in the region between the sheets is
= 2.8 × 102 N/C .
2 ε0 (b) The magnitude of the net ﬁeld at points above both sheets is
= 6.2 × 102 N/C .
2 ε0 ...
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