If charge is distributed uniformly in xy plane with charge density ...

If charge is distributed uniformly in xy plane with charge density \( +\sigma \) in first quardrant and \( -\sigma \) in remaining three quadrants, then work done by electric field in moving a point charge \( q \) from \( (0,0, d) \) to \( (0,0,2 d) \) is :
hysics Wallah
c. \( \frac{-\sigma q}{2 \varepsilon_{0}} d \)
d. \( \frac{\sigma \mathrm{q}}{\varepsilon_{0}} \mathrm{~d} \)