Sun December 25, 2011 By: Garg Ishita


Expert Reply
Sun December 25, 2011

We observe that the field magnitude
1. varies as the inverse cube of the distance of the field point along one line.
2. has a magnitude half of its magnitude (at an equidistant point) on the line perperdicular to this line.
These properties tell us that the given charge distribution is a (small) electric dipole centered at the reference point O.
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