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Grade 12th passElectrostatics

answer is coming k2q/a^2....can anyone answer
​Here electric field is asked at the centre of the square
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Question image for answer is coming k2q/a^2....can anyone answer ​He
Profile image of Komal Dhamija
8 Years agoGrade 12th pass
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1 Answer

Profile image of Eshan
8 Years ago
Dear student,

The electric field at the center due to the two charges placed diagonally opposite will cancel each other. Thus the electric field be due to only one of the charges and equal to

\dfrac{kq}{r^2}=\dfrac{kq}{(\dfrac{a}{\sqrt{2}})^2}=\dfrac{2kq}{a^2}

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