| ⇦ | 
| ⇨ |
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.
Related Questions: - The periodic waves of intensities I₁ and I₂ pass through a region at the same time
- The r.m.s speed of the molecules of a gas in a vessel is 400 m/s
- A wire is suspended vertically from one of its ends is stretched by attaching a weight
- Three blocks A,B and C of masses 4 kg, 2 kg and 1 kg respectively are in contact
- A thin ring of radius R meter has charge q coulomb uniformly spread on it
Topics: Electrostatics
(146)
Subject: Physics
(2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
- The periodic waves of intensities I₁ and I₂ pass through a region at the same time
- The r.m.s speed of the molecules of a gas in a vessel is 400 m/s
- A wire is suspended vertically from one of its ends is stretched by attaching a weight
- Three blocks A,B and C of masses 4 kg, 2 kg and 1 kg respectively are in contact
- A thin ring of radius R meter has charge q coulomb uniformly spread on it
Topics: Electrostatics (146)
Subject: Physics (2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
18000+ students are using NEETLab to improve their score. What about you?
Solve Previous Year MCQs, Mock Tests, Topicwise Practice Tests, Identify Weak Topics, Formula Flash cards and much more is available in NEETLab Android App to improve your NEET score.
Share this page with your friends
Leave a Reply