| ⇦ | 
| ⇨ |
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: - A capacitor of capacitance value 1 μF is charged to 30 V and the battery
- Which two of the following five physical parameters have the same dimensions?
- One solid sphere A and another hollow sphere B are of same mass and same outer radii.
- A boy is trying to start a fire by focusing sunlight on a piece of paper using
- In an AC circuit the potential differences across an inductance and resistance joined
Topics: Electrostatics
(146)
Subject: Physics
(2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
- A capacitor of capacitance value 1 μF is charged to 30 V and the battery
- Which two of the following five physical parameters have the same dimensions?
- One solid sphere A and another hollow sphere B are of same mass and same outer radii.
- A boy is trying to start a fire by focusing sunlight on a piece of paper using
- In an AC circuit the potential differences across an inductance and resistance joined
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