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Standard XII
Physics
Question

Four electric charges +q , ,+q , -q ,-q are placed at the corners of side 2L The electric potential at a point A , midway between the two charges +q and +q is
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  1. 14πϵo2qL(1+√5)
  2. 14πϵo2qL(1+1√5)
  3. 14πϵo2qL(1−1√5)
  4. Zero

A
14πϵo2qL(1+√5)
B
14πϵo2qL(1+1√5)
C
Zero
D
14πϵo2qL(1−1√5)
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