The capacitance is affected is that the capacitance increases because of the insertion of Teflon.
A capacitance is known to be a form of a device that is said to be used to save some measures of charges in any kind of an electrical circuit.
Note that the capacitor functions on the principle that the capacitance of a conductor is said to go up if an earthed conductor is taken close to it.
Therefore, The capacitance is affected is that the capacitance increases because of the insertion of Teflon and so the teflon tends to widen the capacitance.
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