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Electrostatics — Physics STD 12 Science — Question

Rajasthan BoardEnglish MediumSTD 12 SciencePhysicsElectrostatics1 Mark
MCQ
There is a solid sphere of radius $' R\ '$ having uniformly distributed charge. What is the relation between electric field $'E\ ' ($inside the sphere$)$ and radius of sphere $' R\ '$ is
 
  • A
    $E \propto R ^{-2}  $
  • B
    $E \propto R ^{-1} $
  • ✓
    $E \propto \frac{1}{ R ^3} $
  • D
    $E \propto R ^2$
✓

Answer

Correct option: C.
$E \propto \frac{1}{ R ^3} $
$E \propto \frac{1}{ R ^3} $

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