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Properties of electric dipole

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Properties of electric dipole
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Yogita Ingle 5 years, 3 months ago

An electric dipole is a pair of equal and opposite point charges q and –q, separated by a distance of 2a.

  • Direction from –q to q is the direction of the dipole.
  • The mid-point of locations of –q and q is called the center of the dipole.
  • Total charge of an electric dipole is zero but since the charges are separated by some distance the electric field do not cancel out.
  • Dipole moment is the mathematical product of the separation of the ends of a dipole and the magnitude of the charges (2a x q).
  • Some molecules like H2O, have permanent dipole moment as their charges do not coincide. These molecules are called polar molecules.
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