A capacitor is made by taking two sheets of aluminum foil,each 0.022 mm thick and placing between them a sheet of paper which comes from a ream of 500 sheets,the ream being 5.5 cm thick with sheets measuring 216 mm by 279 mm (the usual 8 1/2 by 11) .What is the capacitance of the capacitor made this way if the dielectric constant of the paper is 3.7? (e0 = 8.85 x 10-12 C2/N x m2)
A) 24 nF
B) 48 nF
C) 18 nF
D) 1.3 nF
Correct Answer:
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