Can you weaken a magnetic field with the peresnce of ferris materials?

In summary, the conversation discusses the potential effects on magnetic pull when a steel piece is stuck to both ends of a magnetic rod. It is suggested to consider the Magnetic susceptibility of the material, as the B field will be weaker inside the material but remains the same in air.
  • #1
Gabe21
60
0
suppose you had a magnetic rod with a diameter of 1" and around 18 inches long, and the north and south poles are oriented at the ends of the rod. if you stuck the north end of the magnet to a piece of steel would it effect the magnetic pull at the southern end?

if the north and south poles had an attraction force of 20 pounds when independently stuck to steel, if steel was stuck to both ends would it only have an attraction force of ten pounds at the poles?
 
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  • #2
well you could look at Magnetic susceptibility of the material . Inside the material the B field would be weaker but out in air the B field will be the same as if the material wasn't even there.
 

1. Can ferris materials weaken a magnetic field?

Yes, ferris materials can weaken a magnetic field. These materials are known as "soft" magnetic materials, and they have a low coercivity, meaning they can easily be magnetized and demagnetized. When placed near a magnetic field, the ferris material will become magnetized in the opposite direction, which can cancel out or weaken the external field.

2. How do ferris materials weaken a magnetic field?

Ferris materials work by creating an opposing magnetic field that cancels out the external field. This is known as demagnetization. The atoms in the ferris material align themselves with the external field, creating a magnetic moment in the opposite direction. This magnetic moment weakens the overall magnetic field in the area.

3. Can any ferris material weaken a magnetic field?

No, not all ferris materials can weaken a magnetic field. The ability to weaken a magnetic field depends on the material's magnetic properties, such as its coercivity and permeability. Soft magnetic materials, such as iron, nickel, and cobalt, are commonly used to weaken magnetic fields.

4. Is the weakening of a magnetic field permanent with the presence of ferris materials?

No, the weakening of a magnetic field with the presence of ferris materials is not permanent. As soon as the external magnetic field is removed, the ferris material will return to its original state and the magnetic field will strengthen again. This is because the atoms in the ferris material will realign themselves with the new direction of the magnetic field.

5. Can multiple layers of ferris materials further weaken a magnetic field?

Yes, multiple layers of ferris materials can further weaken a magnetic field. This is known as multiple demagnetization. Each layer adds an opposing magnetic field, resulting in a stronger overall weakening of the external field. This is commonly used in applications such as magnetic shielding, where multiple layers of soft magnetic materials are used to protect sensitive equipment from magnetic interference.

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