1.

An electric dipole made up of a positive and negative charge, each of 1mu C separated by a distance of 2cm is placed in an electric field of 10^(5)N//C, then the work done in rotating the dipole from the position of stable equilibrium through an angle of 180^(@) is

Answer»

`2 xx 10^(-3)` JOULE
`2 xx 10^(-8)` Joule
`4 xx 10^(-3)` Joule
zero

Answer :C


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