Wb Jee
Electrostatics
WB JEE 2008
MCQ+1 / -0.252008
4 point charges each +q is placed on the circumference of a circle of diameter 2d in such a way that they form a square. The potential at the centre is
Wb Jee
WB JEE 2008
4 point charges each +q is placed on the circumference of a circle of diameter 2d in such a way that they form a square. The potential at the centre is