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Two concentric spheres kept in air have radii R and r. They have similar charge and equal surface charge density σ. The electrical potential at their common centre is (where,ε₀=permitivity of free space)
Options
(a) σ(R+r)/ε₀
(b) σ(R-r)/ε₀
(c) σ(R+r)/2ε₀
(d) σ(R+r)/4ε₀
Correct Answer:
σ(R+r)/ε₀
Explanation:
No explanation available. Be the first to write the explanation for this question by commenting below.
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Topics: Electrostatics
(146)
Subject: Physics
(2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
- If λ₁ and λ₂ are the wavelengths of the first members of the Lyman and Paschen
- Force required to move a mass of 1kg at rest on a horizontal rough plane
- Two capacitors of 10pF and 20pF are connected to 200V and 100V sources, respectively.
- The speed of an electron having a wavelength of 10⁻¹⁰ m is
- Which of the following figures represent the variation of particle momentum
Topics: Electrostatics (146)
Subject: Physics (2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
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