Two concentric spheres kept in air have radii R and r.

Two Concentric Spheres Kept In Air Have Radii R And Physics Question

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:

  1. If particles are moving with same velocity, then maximum de Broglie wavelength will
  2. In gamma ray emission from a nucleus
  3. A boat taken 2h to travel 8km and back in still water.If the velocity of water 4 km/h
  4. Three capacitors 3μF,6μF and 6μF are connected in series to a source of 120V.
  5. The de-Broglie wavelength of an electron is the same as that of a 50 KeV X-ray photon.

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.

NEETLab Mobile App

Share this page with your friends

Be the first to comment

Leave a Reply

Your email address will not be published.


*