MCQ
A metallic ring is uniformly charged as shown in figure. $AC$ and $BD$ are two mutually perpendicular diameters. Electric field due to arc $A B$ to '$O$' is '$E$' is magnitude. What would be the magnitude of electric field at '$O$' due to arc $ABC$ ?


- A$2 E$
- ✓$\sqrt{2} E$
- C$E / 2$
- DZero


