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a parallel-plate air-filled capacitor has a capacitance of 50 micro farad in air and 10 micro farad when immersed in oil. The dielectrivc constant of oil is?

a parallel-plate air-filled capacitor has a capacitance of 50 micro farad in air and 10 micro farad when immersed in oil. The dielectrivc constant of oil is?

Grade:12th pass

1 Answers

Raj V Solanki
29 Points
5 years ago
capacitance = [epsilon * a]/d*k    where k is dielectric constant 
k for water is 1 then c=50
when oil immersed c’=10
c’=c/k acc. to eqn
hence 50/x=10
x=5 dielectric constant of oil is 5   

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