Question

Why by convention the direction of dipole is from negative point charge to positive one ?​

Answer 1

Answer:

showing that the dipole moment vector is directed from the negative charge to the positive charge because the position vector of a point is directed outward from the origin to that point. (Because of overall charge neutrality, the dipole moment is independent of the observer's position

Explanation:

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Answer 2

Answer:

Showing that the dipole moment vector is directed from the negative charge to the positive charge because the position vector of a point is directed outward from the origin to that point. ... (Because of overall charge neutrality, the dipole moment is independent of the observer's position r.)