$14.[-/2$ Points$]$

SERPSE$1025.$A$.$OP$.020.$

$($a$)$ What is the equivalent capacitance $($in $\backslash (\backslash$mu $\backslash$mathrm$\{$F$\}\backslash ))$ of the group of capacitors shown in the figure below?

$|\backslash (\backslash$mu $\backslash$mathrm$\{$F$\}\backslash )$

$($b$)$ What If$?$ What is the equivalent capacitance $($in $\backslash (\backslash$mu $\backslash$mathrm$\{$F$\}\backslash ))$ of the group of capacitors if the spaces between the plates of all of the capacitors are filled with glass, which has a dielectric constant of $5\mathrm{.}60?$

$\backslash (\backslash$mu $\backslash$mathrm$\{$F$\}\backslash )$

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