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JIPMER2016PhysicsElectrostatics

A cylinder of radius R and length L is placed in a uniform electric field E parallel to the cylinder axis. The total flux for the surface of the cylinder is given by

Options

  1. A2 R^2 E
  2. BR^2 E
  3. CR E
  4. Dzero

Correct answer

D. zero

Step-by-step solution

Flux through surface A , aligned & _A=E R^2 & _B=-E R^2 aligned Flux through curved surface, C= E d S= E d S 90^ =0 Total flux through cylinder = _A+ _B+ _C=0

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