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NEET 2004 Physics question

PhysicsElectrostatic Potential and CapacitanceNEET 2004

An 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 its potential energy are respectively :-

Answer: (2)

Solution

In a uniform field the forces on the two charges, and , are equal and opposite, so the net force is zero. The potential energy is $U =

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Question ID VK-089378