An electric dipole, so to say, is a pair of two objects having equal and opposite charges, separated by a distance.

Suppose there are two charges of equal magnitude ‘q’, separated by a distance‘d’. Let the first charge be negative and the second charge be positive. This combination can be called as an electric dipole. Therefore, we can say that an electric dipole is created by the combination of equal and opposite charges by a separation of a certain distance.

Now, the electric dipole moment for this pair of equal and opposite charges is equal to the magnitude of the charges multiplied by the distance between them.

### Magnitude of Electric Dipole Moment:

\( \overrightarrow{p} \)

### irection of Electric Dipole Moment:

Electric potential due to a Dipole (V)

Suppose there are two charges –q, placed at A, and +q placed a B, separated by a distance d, forming a dipole. Suppose the midpoint of AB is O.

The Electric potential due to a dipole at any point P, such that OP = r will be:

V = \(\frac{1}{4\pi \epsilon } \frac{p\cos \Theta }{r^{2}}\)

Case 1: If θ = 90°

Electric potential = V = 0

Case 2: If θ = 0°

This was just an introduction to electric dipole. To learn more on physics calculators download Byju’s.

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