Two charge `+Q` each are placed at the two verticles of an equilateral triangle of side `a` .The intensity of electric field at the third vertex is

Two charge `+Q` each are placed at the two verticles of an equilateral

1.	Two charge `+Q` each are placed at the two verticles of an equilateral triangle of side `a` .The intensity of electric field at the third vertex is
Answer» `E^(1)=sqrt(E^(2)+E^(2)+2E E cos theta)` `=sqrt(2E^(2)+2E^(2)costheta)` ` =sqrt(2E^(2)(1+costheta))` `=2Ecos""(theta)/(2),Esqrt(3)(1)/(4piepsilon_(0))(Q)/(a^(2))`.

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Two charge `+Q` each are placed at the two verticles of an equilateral triangle of side `a` .The intensity of electric field at the third vertex is

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