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BITSAT Physics Electrostatics 2022 BITSAT 2022

BITSAT Physics Question (2022) — Solution

Question

Which one of the following graphs represents the variation of electric potential with distance r from the centre of a non-conducting charged sphere of radius R ?

Options

  1. A.
  2. B.
  3. C.
  4. D.

Answer

D.

Step-by-step solution

Electric potential at centre R=0 V_ centre =1.5 V_ surface where, aligned V_0 & = k Q R \\ V_ inside & = k Q 2 R (3- r^2 R^2 ) aligned

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