![electromagnetism - Magnetic constant in vacuum: different values in the Italian textbooks for high school - Physics Stack Exchange electromagnetism - Magnetic constant in vacuum: different values in the Italian textbooks for high school - Physics Stack Exchange](https://i.stack.imgur.com/5Hd3g.png)
electromagnetism - Magnetic constant in vacuum: different values in the Italian textbooks for high school - Physics Stack Exchange
TheⅤalue of the permittivity of vacuum in SI system is 8.85*10 Its value in anew system of units in which : Unit of length4 metre Unit of mass Unit of time2 sec
![Difference Between Dielectric Constant and Relative Permittivity | Compare the Difference Between Similar Terms Difference Between Dielectric Constant and Relative Permittivity | Compare the Difference Between Similar Terms](https://i0.wp.com/www.differencebetween.com/wp-content/uploads/2020/04/Difference-Between-Dielectric-Constant-and-Relative-Permittivity_1.jpg?resize=438%2C539&ssl=1)