MCQEasyJEE Main 2023 · 30 January, Shift 2Gauss's Law Applications

Physics Question from JEE Main 2023 · 30 January, Shift 2

As shown in the figure, a point charge QQ is placed at the centre of a conducting spherical shell of inner radius aa and outer radius bb. The electric field due to charge QQ in three different regions I, II, and III is given by: (I : r<ar < a, II : a<r<ba < r < b, III : r>br > b)

A conducting spherical shell with a point charge Q at the center, inner radius a, outer radius b, and regions I inside cavity, II in conductor, and III outside shell.
  • A

    EI=0,EII=0,EIII0E_I = 0, E_{II} = 0, E_{III} \neq 0

  • B

    EI0,EII=0,EIII0E_I \neq 0, E_{II} = 0, E_{III} \neq 0

  • C

    EI0,EII=0,EIII=0E_I \neq 0, E_{II} = 0, E_{III} = 0

  • D

    EI=0,EII=0,EIII=0E_I = 0, E_{II} = 0, E_{III} = 0

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