four point charges each of 1 coulomb is placed on the circumference of diameter 2m in such a way that tgey form a square the potentialat the centre is
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Potential of a System of Charge -

- wherein


Potential at centre, 
Option 1)
4c / S
Correct
Option 2)
0

- wherein


Potential at centre, 
Option 1)
4c / S
Correct
Option 2)
0
nancy70:
du no. bolo
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