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Physics · 2024 · 1 mark
CBSE 2024 · Region 1 · Set 1 · Q1
A thin plastic rod is bent into a circular ring of radius R. It is uniformly charged with charge density λ. The magnitude of the electric field at…
A thin plastic rod is bent into a circular ring of radius R . It is uniformly charged with charge density $\displaystyle \lambda$. The magnitude of the electric field at its centre is :
Official answer
(B)
Zero
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