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A parallel plate capacitor has a capacitance of 4.5 uF in vacuum and a capacitance of...

A parallel plate capacitor has a capacitance of 4.5 uF in vacuum and a capacitance of 16.7uF when the space b/t its plates is completely filled with a dielectric. What is the dielectric material?

a) Bakelite

b) Rubbery

c) Paper

d) Teflon

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