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Question

# A and B are two points on the axis and the perpendicular bisector respectively of an electric dipole. A and B are far away from the dipole and at equal distances from its centre. The fields at A and B i.e. âˆ’â†’EAandâˆ’â†’EB are respectively such that

A
EA=EB
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B
EA=2EB
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C
EA=2EB
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D
EA=12EB
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Solution

## The correct option is C −→EA=−2−→EBIt will be cleared Heat electric field dual to an electric dipole at axial point is 2Kp/r3 while at a point on perpendicularity bisector is Kp/r3. So, if electric field at point A is E then electric field at point B will be E/2.Now, EA=−2EB

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