Work done by an external agent in rotating an electric dipole slowly from the position of stable equilibrium to unstable equilibrium in uniform electric field

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Q. Calculate the amount of work done in rotating a dipole, of dipole moment

3 \times 10^{- 8} c m

, from its position of stable equilibrium to the position of unstable equilibrium, in a uniform electric field of intensity

10^{4} N / C

Q. Calculate the amount of work done in turning an electric dipole of dipole moment

3 \times 10^{- 8} C

-m from its position of unstable equilibrium to the position of stable equilibrium in a uniform electric field of intensity

10^{3} N C^{- 1}

Q. The work done by an external force in rotating dipole of dipole moment

\to P

slowly in uniform electric field of intensity

\to E

from

0^{0}

180^{0}

A dipole with a dipole moment of magnitude p is in stable equilibrium in an electrostatic field of magnitude E. Find the work done in rotating this dipole to its position of unstable equilibrium.

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