| ⇦ | 
| ⇨ |
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: - Two bubbles A and B (A>B) are joined through a narrow tube. Then
- A conveyor belt is moving at a constant speed of 2 m/s. A box is gently dropped on it
- A nucleus with mass number 220 initially at rest emits an α-particle. If the Q-value
- Heat produced in a resistance according to which law?
- A series combination of n₁ capacitors, each of value C₁, is charged by a source
Topics: Electrostatics
(146)
Subject: Physics
(2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
- Two bubbles A and B (A>B) are joined through a narrow tube. Then
- A conveyor belt is moving at a constant speed of 2 m/s. A box is gently dropped on it
- A nucleus with mass number 220 initially at rest emits an α-particle. If the Q-value
- Heat produced in a resistance according to which law?
- A series combination of n₁ capacitors, each of value C₁, is charged by a source
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