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The concentric spheres of radii R and r have positive charges q₁ and q₂ with equal surface charge densities. What is the electric potential at their common centre?
Options
(a) σ/ε₀(R+r)
(b) σ/ε₀(R-r)
(c) σ/ε₀ (1/R+1/r)
(d) σ/ε₀(1/R)
Correct Answer:
σ/ε₀(R+r)
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
- Calculate the focal length of a reading glass of a person, if the distance
- If the kinetic energy of the particle is increased to 16 times its previous value
- Two point charge +9e and +e are at 16 cm away from each other.
- A bar magnet is hung by a thin cotton thread in a uniform horizontal magnetic field
- A circular disc X of radius R is made from an iron plate of thickness t and another disc
Topics: Electrostatics (146)
Subject: Physics (2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
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