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Electric Charges and Fields — Physics STD 12 Science — Question

Bihar BoardEnglish MediumSTD 12 SciencePhysicsElectric Charges and Fields1 Mark
MCQ
A Solid sphare of radius R has a charge Q distributed in its Volume with a charge density P = Kra Where K and a are constants and r is the distance from its centre from its centre. if the electric filed at $\text{r}=\frac{\text{R}}{2}$ is $\frac{1}{8}$ times that at r = R, the value of a is.
  • A
    3
  • B
    5
  • C
    2
  • D
    7
✓

Answer

  1. 2

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