Two Long Straight Parallel Lines of Charge, #1 and #2

question 25

Multiple Choice

Two long straight parallel lines of charge, #1 and #2, carry positive charge per unit lengths of λ1 and λ2, respectively. λ1 > λ2. 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

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