Two long straight parallel lines of charge, #1 and #2, carry positive charge per unit lengths of ?1 and ?2, respectively. ?1 > ?2. The locus of points where the electric field is zero in this case is
A)
along a line between the lines closer to line #2 than line #1.
B)
at a point halfway between the lines.
C)
along line #1.
D)
along a line between the lines closer to line #1 than line #2.
E)
cannot be determined
A
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