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JIPMER 2006
Exam
JIPMER
Year
2006
Subject
Physics
Chapter
Electrostatics

JIPMER 2006 · Physics · Electrostatics

A charge Q is distributed uniformly in a sphere (solid). Then, the...

A charge QQ is distributed uniformly in a sphere (solid). Then, the electric field at any point rr, where, r<Rr \lt R ( rr is the radius of sphere) varies as :

Options

  1. Ar1/2r^{1 / 2}
  2. Br−1r^{-1}
  3. Crr
  4. Dr−2r^{-2}

Correct answer

C. rr

Step-by-step solution

. Electric field intensity at a point inside the sphere E=Q4πε0Rr\quad E=\frac{Q}{4 \pi \varepsilon_0 R} r ∴E∝r\therefore \quad E \propto r
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