Q129 / 150 · MHT CET 2019 (Shift 1) · Physics

A charged conductor produces an electric field of intensity 103Vm just outside its surface in vacuum. Then, it produces the electric field of intensity E just outside its surface, when it is placed in a medium of dielectric constant 4. The value of E will be

  • A
    400 V/m
  • B
    450 V/m
  • Correct answer
    C
    250 V/m
  • D
    150 V/m

Solution

Given, electric field produced by charged conductor in vacuum,
E0=103Vm
Electric field produced by charged conductor, when it is placed in medium of dielectrics K=4E=E0K=1034=250Vm

Hence, the correct answer is option: 'C'.

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