What is an ideal dipole ?

Explanation

### Step-by-Step Solution:

1. **Definition of a Dipole**: A dipole consists of two equal and opposite charges, +Q and -Q, separated by a certain distance.

2. **Dipole Moment**: The dipole moment (P) is defined as the product of the charge (Q) and the distance (d) between the charges. For a dipole with charges +Q and -Q separated by a distance of 2L, the dipole moment is given by:
\[ P = Q \times (2L) \]
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