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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
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Subject: Physics
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Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
- The nuclear fusion reaction between deutrium and tritium takes place
- The electric field in a certain region is acting radially outward and is given by E=Ar.
- The output of OR gate is 1(one)
- Masses of three wires of copper are in the ratio of 1:3:5 and their lengths
- If radius of the ₁₃Al²⁷ nucleus is taken to be Rᴀı, then the radius of ₅₃Te¹²⁵ nucleus
Topics: Electrostatics (146)
Subject: Physics (2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
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