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Most Important Selected Qs for JEE AdvancedPhysicsElectrostatics

Paragraph: Three concentric spherical conductors A, B and C of radii R, 2 R and 4 R respectively. A and C is shorted and B is uniformly charged (charge +Q ) Question: Potential at B is

Options

  1. AQ 4 ₀ R
  2. BQ 16 ₀ R
  3. C5 Q 48 ₀ R
  4. DNone of these

Correct answer

C. 5 Q 48 ₀ R

Step-by-step solution

V _ B =k [ - Q 6 R + Q 2 R + Q 12 R ]= 5 Q 48 ₀ R

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