MCQ
The linear charge density on upper half of a segment of ring is $\lambda$ and at lower half, it is $-\lambda$. The direction of electrical field at centre $O$ of ring is :-
- Aalong $OA$
- Balong $OB$
- ✓along $OC$
- Dalong $OD$
✓
Answer
Correct option: C.
along $OC$
c
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