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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
- A rectangular coil of length 0.12 m and width 0.1 m having 50 turns of wire
- Zenor diode is used for
- A sample of HCl gas is placed in an electric field of 5 x 10⁴ N/C
- The energy of a hydrogen atom in the ground state is – 13.6 eV. The energy of a He⁺ ion
- A Carnot engine takes heat from a reservoir at 627⁰C and rejects heat
Topics: Electrostatics (146)
Subject: Physics (2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
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