What would cause a magnetic field in this case?

In summary, both an electric current and a time-dependent electric field can induce a magnetic field. However, a static electric field does not directly cause a magnetic field, but may indirectly cause one if it leads to currents somewhere. The object creating the variable electric field will experience a magnetic field made by itself, but it will only affect the first material mentioned if it is in contact with it.
  • #1
Hami Hashmi
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1
Hi,

I've been wondering what causes a magnetic field, current or an electric field. If you had a material with extremely low susceptibility and extremely high permeability then what would cause a magnetic field in this material, a current or an electric field (as long as whatever is causing the electric field is not in contact with the material).
 
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  • #2
Both an electric current and a time-dependent electric field induce a magnetic field. A static electric field does not lead to a magnetic field - only indirectly if it leads to currents somewhere.
 
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Likes sophiecentaur
  • #3
But the object that is making the variable electric field will experience a magnetic field made by itself, right? Will it effect the 1st material? (the one mentioned in my original post).
 
  • #4
Hami Hashmi said:
But the object that is making the variable electric field

what object ?? ... be specific
 

FAQ: What would cause a magnetic field in this case?

What materials can generate a magnetic field?

Materials that have strong magnetic properties, such as iron, nickel, and cobalt, can generate a magnetic field. Other materials, such as certain types of steel and rare earth magnets, can also generate strong magnetic fields.

Can electricity create a magnetic field?

Yes, electricity and magnetism are closely related and can influence each other. When an electric current flows through a wire, it creates a magnetic field around the wire. This is the principle behind electromagnets.

What happens when two magnetic fields interact?

When two magnetic fields interact, they can either attract or repel each other depending on the direction and strength of the magnetic fields. This is known as the principle of magnetic polarity.

Do all objects have a magnetic field?

No, not all objects have a magnetic field. Only certain materials, such as those mentioned in the first question, have the ability to generate a magnetic field. Other materials, such as wood and plastic, do not have strong magnetic properties.

Can the Earth's magnetic field change over time?

Yes, the Earth's magnetic field is not constant and has been known to change over time. This is due to the movement of the Earth's molten iron core, which generates the magnetic field. Scientists have observed that the Earth's magnetic field has reversed several times in the past.

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