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NEET2004PhysicsElectrostaticsActual

A electric dipole has the magnitude of its charge as q and its dipole moment is p . It is placed in a uniform electric field E . If its dipole moment is along the direction of the field, the force on it and it and its potential energy are respectively:

Options

  1. A2 q.E and minimum
  2. Bq E and p . E
  3. Czero and minimum
  4. Dq E and maximum

Correct answer

C. zero and minimum

Step-by-step solution

Force on each charge, of dipole F=p E Total force = zero, they are in opposite director P and E are parallel to each other U=- P E is minimum.

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