| ⇦ | 
| ⇨ |
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: - Which pair is isotonic?
- In cyclotron, for a given magnet, radius of the semicircle traced by positive ion
- Penetrating power of X-rays does not depend on
- 180⁰ phase difference is obtained when light ray is reflected from
- The threshold frequency for a certain photosensitive metal is ν₀. When it is illuminated
Topics: Electrostatics
(146)
Subject: Physics
(2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
- Which pair is isotonic?
- In cyclotron, for a given magnet, radius of the semicircle traced by positive ion
- Penetrating power of X-rays does not depend on
- 180⁰ phase difference is obtained when light ray is reflected from
- The threshold frequency for a certain photosensitive metal is ν₀. When it is illuminated
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