A parallel plate air capacitor ischarged by means of a DC source so that itcarries positive and negative charge on itsplates of magnitude18 ucWith the charging source disconnected, thespace between the plates is filled with anonconducting material which then developspolarization charges of magnitude15 C.Then relative permittivity of the material is
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Answer:Capacitance C=ε
d
A
, A−area of the capacitor ;d−distance between the plates
For a charged capacitor Q=CV
As the distance between the plates of the capacitor is increased the capacitance C decreases (∵C∝
d
1
)
As capacitance decreases the potential difference between the plates V increases
Explanation:
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