# Linked Questions

1answer
30k views

### Why charges reside on the surface on conductor? [duplicate]

In a hollow conductor and in a spherical shell the charges reside on its surface and there is no electric field inside it.Please tell me the reason behind it.
3answers
3k views

### Why the electric field inside a conductor is zero? [duplicate]

In electromagnetism books, such as Griffiths or the like, when they talk about the properties of conductors in case of electrostatics they say that the electric field inside a conductor is zero.
2answers
228 views

### Electric Field Inside of a Conductor [duplicate]

I have seen many explanations for why the net electric field inside of a conductor is zero (assuming only electrical forces are acting on the particles inside of it). These explanations typically say ...
2answers
92 views

### Why is field inside a conductor zero? [duplicate]

No external fields penetrate the conductor as they are canceled at the outer surface by the induced charge. My question is why is field inside conductor zero when there is no other field inside the ...
1answer
70 views

### Why should there be electrostatic equilibrium inside a conductor? [duplicate]

I have been trying to understand why the net electric field inside a conductor is zero regardless of the exterbal electric field. But why should equilibrium ever be attained?
3answers
2k views

### Is the electrostatic field inside of any closed, uniformly charged surface zero?

We know that a simple application of Gauss's law tells us that the field inside of a uniformly charged spherical shell is zero. Does this hold for all uniformly charged closed surfaces? If so, how ...
3answers
13k views

### If the electric field inside a conductor is zero then how does current flow through it? [duplicate]

I read in a book that when a conductor is placed in an electric field then the free electrons in the conductor will align in such a manner that an electric field is induced which is opposite to the ...
2answers
2k views

### Electric fields in/around conductors

So according to my notes, the field inside a conductor is zero. But what, exactly, is meant by inside? I think we are in electrostatics for the purpose of this question. The reason it is zero is ...
1answer
2k views

### Charged metal sphere surrounded by dielectric shell

Hi I have the following electrostatic question involving linear dielectric material. Given a metal sphere of radius $a$ which carries a charge $Q$ and is surrounded out to a radius $b$ by a linear ...
2answers
411 views

### electric field inside a conducting body [closed]

From Gauss' Law, we know that the electric field inside a solid conducting sphere varies linearly with the distance from the centre. But we also know that electric field inside a conductor is zero. ...
1answer
228 views

### Why doesn't the potential drop as a $E=\nabla V$ inside a circuit when there is no resistor?

Considering that an electric field exists outside a battery and inside a circuit, shouldn't the potential drop while we move along the wire even if there is no resistor ($E=\nabla V$)? I am asking ...
1answer
61 views

### Calculating Electric field using Gauss law

I solved a question in electricity using the Gauss law, but comparing with others revealed the possibility that my answer is incorrect. We have a Sphere with radius $R$ and Charge density $\rho$. The ...
1answer
63 views

### How does induced current work if a wire is supposedly neutral?

I know that a changing magnetic field creates an electric field, and a moving magnet near a coil will cause a current flow, but I'm wondering how this can happen if a wire and each atom in the wire is ...
1answer
23 views

### Charge of conductive sphere around charge

Consider suspending a charge inside a conductive sphere: The answers to this question state that there will be a charge of +Q induced on the outside of the sphere (and a charge of -Q on the inside). ...
2answers
28 views

### Does the electric field equals to zero in the case of having a charged wire inside?

I have a cylinder charged along its length, and a charged wire inside it. The electric field inside the conductor is zero, but how is it when I have a charged wire inside it?