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Two charge +Q,-Q are placed at the two v...

Two charge `+Q,-Q` are placed at the two verticels of an equilateral triangle of side `'a'`. Then the intensity of electric field at the third vertex is

Text Solution

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`E'=2Ecos""(theta)/(2)=e(theta=120^(@))`

`E^(1)=(1)/(4piepsilon_(0))(Q)/(a^(2))`
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