Electric field inside a charged sphere

[Geocentric]

1. The problem statement, all variables and given/known data
In the case of charged conducting sphere, we find that the charge entirely resides on the surface because it always tries to cancel the field inside by moving to the surface. But in the case of a uniformly charged conducting sphere, we find that the charge is uniformly distributed throughout the volume. What I don't understand is that, why doesn't the charge move to the surface as in the case of a charged conducting sphere? If so, how do we get the charges placed for obtaining these 2 different configurations?


2. Relevant equations



3. The attempt at a solution

[aim1732]

But in the case of a uniformly charged conducting sphere, we find that the charge is uniformly distributed throughout the volume. What I don't understand is that, why doesn't the charge move to the surface as in the case of a charged conducting sphere?

Did you really mean this?:smile:

[Geocentric]

Did you really mean this?:smile:

If a gaussian surface is constructed within the uniformly charged sphere, the electric field is not zero. So, there is charge not only on the surface but also inside. Isn't that true?

[aim1732]

But in the case of a uniformly charged conducting sphere, we find that the charge is uniformly distributed throughout the volume.
This?

[Geocentric]

This?

Could you please clarify what you intend to say?

[Feldoh]

In the case of charged conducting sphere, we find that the charge entirely resides on the surface because it always tries to cancel the field inside by moving to the surface. But in the case of a uniformly charged conducting sphere, we find that the charge is uniformly distributed throughout the volume. What I don't understand is that, why doesn't the charge move to the surface as in the case of a charged conducting sphere? If so, how do we get the charges placed for obtaining these 2 different configurations?

What I think aim1732 is trying to say is: Why do you think you can have a uniformly charged conducting sphere?

[Geocentric]

I misunderstood the uniformly charged sphere as uniformly charged conducting sphere. Thanks guys.

[Feldoh]

That's correct!