Question #331538

The relative permittivity of a die electric is 2.25.(a) What is its permittivity (b) What will be the capacitance of this electric is inserted into a 7.8 air capacitor?



1
Expert's answer
2022-04-21T13:01:26-0400

a)

εr=ε0εm=3.93 pFm,\varepsilon _r=\frac{\varepsilon_0}{\varepsilon_m}=3.93~\frac{pF}m,

b)

C′=C7.8=0.13C.C'=\frac C{7.8}=0.13C.


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