electric dipole دیپل ِ برقی، دیقطبه ِ ~ dipol-e barqi, diqotbe-ye ~ Fr.: dipôle électrique A type of → charge distribution
consisting of two charges, a
positive and a negative charge of the same magnitude separated by a
distance s, which is small compared to the distance r to
the point P at which the → electric potential
is V and the → electric field
intensity is E.The potential falls as the
square of the distance (1/r2) and the electric
field intensity decreases as
the cube of the distance (1/r3).
- A simple → antenna consisting of a pair of oppositely
charged → conductors capable of radiating an
→ electromagnetic wave in response to the movement
of an electric charge from one conductor to the other.
See also: → electric; → dipole. |
