Aparallel-plate capacitor is made from two aluminum-foil sheets, each 7.5 cm wide and 5.6 m long. between the sheets is a teflon strip of the same width and length that is 4.1×10^−2 mm thick. what is the capacitance of this capacitor? (the dielectric constant of teflon is 2.1.)

Explanation:

Length of the sheet = 7.5 cm =0.075m

Width of the sheet =5.6 m

So area of the sheet A= 5.6×0.075=0.42

Value of

Distance d =

Dielectric constant K = 2.1 given in question

Capacitance is given by

seeing the graph would

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