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Two point charges of 3.2 xx 10^-19 C and...

Two point charges of `3.2 xx 10^-19 C and -3.2 xx 10^-19 C` are separated from each other by `2.4 xx 10^-10 m`. The dipole is situated in a uniform electric field of intensity `4 xx 10^5 Vm^-1`. Calculate the work done in roating the dipole by `180^(@)`.

A

`3xx10^(-23)J`

B

`6xx10^(-23)J`

C

`12xx10^(-23)J`

D

zero

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