The concentric spheres of radii R and r have positive charges q₁ and q₂ with equal

The concentric spheres of radii R and r have positive charges q₁ and q₂ with equal surface charge densities. What is the electric potential at their common centre?

Options

(a) σ/ε₀(R+r)
(b) σ/ε₀(R-r)
(c) σ/ε₀ (1/R+1/r)
(d) σ/ε₀(1/R)

Correct Answer:

σ/ε₀(R+r)

Explanation:

No explanation available. Be the first to write the explanation for this question by commenting below.

admin:

Related Questions

  1. The number of photons of wavelength of 540 nm emitted per second by an electric bulb
  2. In an ac circuit an alternating voltage e = 200 √2 sin 100 t volts is connected
  3. An object is placed 30 cm away from a convex lens of focal length 10 cm and a sharp
  4. A solid which is transparent to visible light and whose conductivity increases
  5. A particle of mass 1mg has the same wavelength as an electron moving with a velocity