Question about a conducting sphere in a varying magnetic field

[Clara Chung]

Homework Statement

3. A spherical conducting shell is placed in a time-varying magnetic field. Is there an induced current along the equator?

Homework Equations

The Attempt at a Solution

I don't know what is the right answer. I mean...why not? Is the magnetic field is changing, there should be eddy current around the equation.. I don't see why won't there be an induced current along the equator..

 

[collinsmark]

Homework Statement

3. A spherical conducting shell is placed in a time-varying magnetic field. Is there an induced current along the equator?

Homework Equations

The Attempt at a Solution

I don't know what is the right answer. I mean...why not? Is the magnetic field is changing, there should be eddy current around the equation.. I don't see why won't there be an induced current along the equator..

I believe you are on the right track, but you might be able to offer a better explanation.

I suggest doing a slight bit of research on magnetic shielding (or electromagnetic shielding). Given that this sort of shielding exists, what does that imply about the currents within a conducting shell in the presence of a changing, external magnetic field?

 

[Clara Chung]

I believe you are on the right track, but you might be able to offer a better explanation.

I suggest doing a slight bit of research on magnetic shielding (or electromagnetic shielding). Given that this sort of shielding exists, what does that imply about the currents within a conducting shell in the presence of a changing, external magnetic field?

The currents will produce a magnetic field to oppose the change in magnetic field?

 

[collinsmark]

The currents will produce a magnetic field to oppose the change in magnetic field?

Yes, that pretty much sums it up in my opinion.