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When is the torque acting on an electric...

When is the torque acting on an electric dipole placed in a uniform electric field maximum?

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When electric dipole is placed perpendicular to the direction of uniform electric field.
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Derive an expression for the torque acting on an electric dipole placed in a uniform electric field.

Find the expression of torque acting on an electric dipole placed in a uniform electric field . Using the above obtained expression of torque find the expression for potential energy of electric dipole kept in the uniform electric field . Assume potential energy of electric dipole to be zero when its axis is perpendicular to the externally applied electric field .

Knowledge Check

  • An electric dipole placed in a nonuniform electric field experience

    A
    a force but not torque
    B
    a torque but no force
    C
    a force as well as a torque
    D
    neither a force nor a torque

  • An electric dipole placed in a non uniform electric field may experience

    A
    only a force
    B
    only a torque
    C
    both force and torque
    D
    neither force nor torque

  • An electric dipole is placed in a uniform electric field. It may experience

    A
    A force only
    B
    A torque only
    C
    Both force and torque
    D
    neither torque nor force

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    Net force acting on an electric dipole placed in a uniform electric field is ___________but net torque acting on the dipole is _____________

    Show that the torque on an electric dipole placed in a uniform electric field is tau=pxxE independent of the origin about which torque is calculated.

    An electric dipole placed in a uniform electric field experiences, in general

    Derive the expression for the torque acting on an electric dipole, when it is held in a uniform electric field. Identify the orientation of the dipole in the electric field, in which it attains stable equilibrium.

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

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