ElectrostaticsMedium
Question
An infinite long plate has surface charge density σ. As shown in the fig. a point charge q is moved from A to B. Net work done by electric field is:


Options
A.
(x1 − x2)
B.
(x2 − x1)
C.
(x2 − x1)
D.
(2π + r)
Solution
Wnet =
; where
=
and
= x1 î − x2ĵ . Wete =
(x1 − x2)
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