Permittivity of Free Space Formula
Dielectric material also shows permittivity, it is represented as the ratio of absolute permittivity of the medium or material and the permittivity of free space, known as relative permittivity. Thus relative permittivity is a dimensionless quantity, represented as εr.
Formula for Relative Permittivity (εr) is given as:
εr = ε/ε₀
Where,
- εr is the relative permittivity of the material,
- ε is the absolute permittivity of the material, and
- ε₀ is the permittivity of the free space.
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Permittivity of Free Space
Permittivity of Free Space or Permittivity of Vacuum is the property of material that measures the material’s ability to resist the formation of an electric field within it or to permit the passage of electric flux in a vacuum, as the resistivity offered by the free space is the lowest.
Permittivity of Free Space is introduced to students in class 12. In this article, we will explore the concept of Permittivity of Free Space in detail, including its definition, value, and formula.
Table of Content
- What is Permittivity?
- What is Permittivity of Free Space?
- What is the Value of Permittivity of Free Space?
- Permittivity of Free Space Formula
- Problems on Permittivity of Free Space
- Practice Problems on Permittivity of Free Space