Recent content by lormanti

  1. L

    Shileding of a point charge by an infinite conducting plane

    sorry but still I am not convinced about not being there a difference between: 1) point charge over an infinite conducting slab (itself of finite thickness) put at zero potential 2) point charge over an infinite conducting slab (itself of finite thickness) put at potential V In 1) I would...
  2. L

    Potential in a conductor within an external field

    Ok, guys, you persuaded me. I guess I was misled by the charge separation being induced by the external electric field, so naively I thought: excess charge present at the two ends of the conductor = potential gradient, but obviously it is not like that. Thanks a lot for your time, much...
  3. L

    Shileding of a point charge by an infinite conducting plane

    ok, thanks both. although, I must say I am not sure about the case when the infinite plane is not grounded, at a finite potential that is. But I guess Lojzek ought to be right, his argument does make sense. Would it be the same if, instead of a plane, we had an infinite conducting slab of finite...
  4. L

    Potential in a conductor within an external field

    but if I am correct, then the difference in potential contradicts the fact that the conductor's surface must be equipotential, doesn't it?
  5. L

    Shileding of a point charge by an infinite conducting plane

    Hi everyone, I have some queries regarding the situation where a point charge is placed at a distance from an infinite conducting plane:say the plane is the xy plane and the charge is above it at distance z: 1) If the plane is at non-zero potential, is that true that the plane will not...
  6. L

    Potential in a conductor within an external field

    Hi, Just got a doubt, which is probably silly but nonetheless cannot solve. Say you have a conductor placed in an external uniform electric field. We know that charges will be induced on the conductor and distribute on its surface as to nullify the field inside the conductor. Then, at...
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