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Eamcet Physics
2 nd Year : Unit 1.1 ( Electrostatics ) - Electrostatics

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Q.

Along the x-axis, three charges q/2-q and q/2 are placed at x = 0, x =a and x =2a respectively. The resultant electric potential at a point ‘P’ located at a distance r from the charge -q (a<< r) is (∈0 is the permittivity of free space)

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Correct choice: B

Explanation:





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