Relative Permeability of Lead: Can I Assume Value of 1?

Thread starter shatou
Start date Jan 9, 2008
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Permeability Relative Relative permeability

In summary, relative permeability is a measure of how easily a material can be magnetized compared to air. Lead has a relatively low relative permeability, making it difficult to magnetize. The value of relative permeability for lead is often assumed to be 1 due to its close approximation and use as a reference material. However, it can vary depending on factors such as temperature and magnetic field strength. Compared to other materials, lead has a lower relative permeability, meaning it is less easily magnetized. Additionally, the relative permeability of lead can vary in different directions, but this difference is usually negligible for practical purposes.

Jan 9, 2008

shatou

Simply, all I want to know is the value of the relative permeability of lead??
Can I assume this value to 1??

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Jan 9, 2008

mda

Pretty much... according to hyperphysics 1-1.8x10^-5=0.999982

Jan 9, 2008

shatou

Thanks alot

1. What is relative permeability and how is it related to lead?

Relative permeability is a measure of how easily a material can be magnetized in the presence of a magnetic field compared to air. Lead has a relatively low relative permeability, meaning it is not easily magnetized.

2. Why is the value of relative permeability for lead often assumed to be 1?

The value of relative permeability for lead is often assumed to be 1 because it is close to the actual value and is a convenient approximation for many applications. Additionally, lead is often used as a reference material for measuring relative permeability of other materials.

3. Can the value of relative permeability for lead vary?

Yes, the value of relative permeability for lead can vary depending on factors such as temperature, magnetic field strength, and the purity of the lead sample. However, it is generally close to 1 and can be assumed as such for most practical purposes.

4. How does the relative permeability of lead compare to other materials?

Lead has a relatively low relative permeability compared to many other materials, such as iron or nickel, which have much higher values. This means that lead is less easily magnetized than these materials.

5. Is the relative permeability of lead the same in all directions?

No, the relative permeability of lead can vary depending on the direction of the magnetic field. This is due to the crystal structure of lead, which can affect its magnetic properties. However, for most applications, the difference in relative permeability between different directions is negligible.