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Determine the electric dipole moment o...

Determine the electric dipole moment of the syatem of three charges , placed on the verices of an equilateral triangle , as shown in the fogure :

A

`-sqrt3 ql hatJ`

B

`(ql)(hati+hatJ)/(sqrt2)`

C

`2pl hatJ`

D

`sqrt3 pl(hatJ-hati)/(sqrt2)`

Text Solution

Verified by Experts

The correct Answer is:
A

`|vecP|=2Pcos""((60^(@)hatj)/(2))=2qLcos30^(@)=-sqrt(3)gL`
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