| ⇦ |
| ⇨ |
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: - Application of a forward bias to a P-N junction
- Two identical capacitors are first connected in series and then in parallel.
- A current of 2 A is made to flow through a coil which has only one turn. The magnetic
- Which of the following phenomena does not show the wavenature of light?
- A 200 W sodium street lamp emits yellow light of wavelength 0.6 µm
Topics: Electrostatics
(146)
Subject: Physics
(2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
- Application of a forward bias to a P-N junction
- Two identical capacitors are first connected in series and then in parallel.
- A current of 2 A is made to flow through a coil which has only one turn. The magnetic
- Which of the following phenomena does not show the wavenature of light?
- A 200 W sodium street lamp emits yellow light of wavelength 0.6 µm
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