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Two electric dipoles each of dipolemomen...

Two electric dipoles each of dipolemoment `p=6.2xx10^(-30)C-m` are placed with their axis along the same line and their centres at a distanced =`10^(-8)cm`.The force of attraction between dipole is

A

`2.1xx10^(-16)N`

B

`2.1xx10^(-12)N`

C

`2.1xx10^(-10)N`

D

`2.1xx10^(-8)N`

Text Solution

Verified by Experts

The correct Answer is:
4
`u_(i)=0, u_(f)=2xx(1)/(4piepsilon_(0)).(e^(2))/((d//2))`
`DeltaPE=KE=(1)/(2) mv^(2)` calcualte `v`
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