1. Permittivity and loss index
1.1 Perfect dielectric
Placed in a vacuum, under DC voltage U 0 , a planar capacitor (figure 1 a)takes on a charge Q 0 related to U 0 by a linear law :
Q 0 = C 0 U 0
with :
- C 0 :
-
capacitor capacity in a vacuum.
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Permittivity and loss index
Resistivity
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