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Derive the expression for torque on an e...

Derive the expression for torque on an electric dipole in a uniform electric field.

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When does the torque acting on an electric dipole placed in a uniform electric field become maximum and minimum ? What are the maximum and minimum values of the torque ?

Define electrical dipole moment. An electrical dipole with a uniform electric field (E) and is rotated to an angle alpha_1 to alpha_2 . Find out the work done.

Knowledge Check

  • An electric dipole placed in a non-uniform electric field experiences

    A
    A.both a torque and a net force
    B
    B.only a force but no torque
    C
    C.only a torque but no net force
    D
    D.no torque and no net force

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    Define an electric field.

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    Derive the expression for the potential energy of an electric dipole of dipole moment vec(p) placed in a uniform electric field vec(E ) .

    Derive the expression for the electric potential due to an electric dipole at a point on its axial line.

    What do you mean by a uniform electric field?

    What do you mean by electric dipole?

    Define electric dipole moment. Is it a scalar or a vector? Derive the expression for the electric field of a dipole at a point on the equatorial plane of the dipole.

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