Question

find an expression for capacity of a parallel plate capacitor with compound dielectric​

Answer 1

Consider a parallel plate cpacitor having plates of area a separated by a distance d. Then, capacitence of this air capacitor is given by Cair = ε0A/d If the space between the (dates is filled completely with dielectric of relative permitivity K, then capacitance of the same capacitor is given by cm =ε0kA/d Dividing (ii) by (i), we have k = cm/air = Capacitance of capacitor with dielectric between the plates/capacitance of the same capacitor with air between the plates.Read more on Sarthaks.com - https://www.sarthaks.com/550123/find-an-expression-for-capacity-of-a-parallel-plate-capacitor-with-compound-dielectric

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Answer 2

Answer:

Consider a parallel plate cpacitor having plates of area a separated by a distance d. Then, capacitence of this air capacitor is given by

Cair = ε0A/d

If the space between the (dates is filled completely with dielectric of relative permitivity K, then capacitance of the same capacitor is given by

cm =ε0kA/d

Dividing (ii) by (i), we have

k = cm/air

= Capacitance of capacitor with dielectric between the plates/capacitance of the same capacitor with air between the plates.

Explanation:

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