5.5.2 Permittivity
The permittivity of technical ceramics is
generally small (6 < R
< 12), which means that very little electrical polarisation
takes place. Materials in group C 300 can exhibit 350 >
R
> 3,000 (cf. Table 38, p. 265), and are used to manufacture
capacitors. The capacitance of a capacitor is calculated according
to the formula
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