Four electric charges +q, +q, -q and -q are placed at the corners of a square of side 2L (see figure). The electric potential at point A, midway between the two charges +q and +q, is
zero
Potential of a System of Charge -
- wherein
Option 1)
Incorrect
Option 2)
Incorrect
Option 3)
Correct
Option 4)
zero
Incorrect