Question

what is epsilon not and its value and unit?

Answer 1

ε0 =8.854187817...×10−12 F⋅m−1(farads per metre). It is thecapability of the vacuum to permit electric field lines. This constant relates the units for electric charge to mechanical quantities such as length and force.

Answer 2

Epsilon naught is the absolute permittivity of free space its value is 8.85 into 10 to the power minus 12