Question

A parallel-plate capacitor is made from two aluminum-foil sheets, each 4.5 cm wide and 6.2 m...

A parallel-plate capacitor is made from two aluminum-foil sheets, each 4.5 cm wide and 6.2 m long. Between the sheets is a Teflon strip of the same width and length that is 2.6×10−2 mm thick.

What is the capacitance of this capacitor? (The dielectric constant of Teflon is 2.1.)

Answer has to be in μF

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Answer #1

given, width = 4.5cm length = 6.2m thickness = 2.6410-2 2.67 10-2 mm = Area of sheet (A)=4.5 2.6710-5m x 6.2 100 こ 0.279 m2 D

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