Mathematics · Electrostatics
A thin circular ring of radius R lies in the xy plane with its centre coinciding with the origin. The ring carries a uniform line charge density λ. The quadrupole contribution to the electrostatic potential at the point (0, 0, d), where d >> R, is given by:
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 1λR32ε0d3
- 2λR34ε0d3
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- 4-λR34ε0d3✓
Correct answer
-λR34ε0d3
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