Electrostatic potential of a cube with charge density

  • #1

Homework Statement



Consider a uniformly charged cube with uniform charge density ρ.The ratio of electrostatic potential at the centre of the cube to that of one of the corners of the cube is?
A hint on how to approach the problem's solution would be appreciated.(whether to use gauss law or not etc.)

Homework Equations


Phi=E.A and
ΔV=Workdone/charge=-E.D

The Attempt at a Solution


I tried to use Gauss law and symmetry argument to find electric field inside the cube,but failed.Help would be appreciated.
 

Answers and Replies

  • #2
haruspex
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Homework Statement



Consider a uniformly charged cube with uniform charge density ρ.The ratio of electrostatic potential at the centre of the cube to that of one of the corners of the cube is?
A hint on how to approach the problem's solution would be appreciated.(whether to use gauss law or not etc.)
2. Homework Equations

Phi=E.A and
ΔV=Workdone/charge=-E.D

The Attempt at a Solution


I tried to use Gauss law and symmetry argument to find electric field inside the cube,but failed.Help would be appreciated.
Consider it made of eight half-sized cubes.
 

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