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Question

Two equal charges q of opposite sign are separated by a small distance 2a. The electric intensity E at a point on the perpendicular bisector of the line joining the two charges at a very large distance r from the line is :


  1. 14πε0qar2
  2. 14πε02qar3
  3. 14πε02qar2
  4. 14πε0qar3

A
14πε0qar2
B
14πε02qar3
C
14πε0qar3
D
14πε02qar2
Solution
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