| ⇦ | 
| ⇨ |
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 value of n so that vectors 2i+3j-2k, 5i+nj+k and -i+2j+3k may be coplanar,will be
- The mean free path of molecules of a gas,(radius ‘r’) is inversely proportional to
- Two positive ions, each carrying a charge q, are separated by a distance d
- The potential energy of particle in a force field is U = A/r² – b/r, where A and B
- Two tuning forks are sounded together and produce 2 beats per second.
Topics: Electrostatics
(146)
Subject: Physics
(2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
- The value of n so that vectors 2i+3j-2k, 5i+nj+k and -i+2j+3k may be coplanar,will be
- The mean free path of molecules of a gas,(radius ‘r’) is inversely proportional to
- Two positive ions, each carrying a charge q, are separated by a distance d
- The potential energy of particle in a force field is U = A/r² – b/r, where A and B
- Two tuning forks are sounded together and produce 2 beats per second.
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