L=8.0 cm, A=18 cm^2, K=6.9 Please show all work Thank you!! Make sure to show al
ID: 1592878 • Letter: L
Question
L=8.0 cm, A=18 cm^2, K=6.9
Please show all work Thank you!!
Make sure to show all your work and explain clearly what you are doing. This problem is due at the beginning of your exam on Friday. You can earn a maximum of 2 percentage points for it. I will be pickv. A variable capacitor can be constructed by inserting a slab of dielectric material partway into the space between a pair of charged parallel plates. One such capacitor has plates of length L and area A, and the plates are separated by a distance d=2.00mm. If the dielectric constant of the inserted material is k, then what is the capacitance as a function of the distance x that the dielectric material is inserted into the space between the plates?Explanation / Answer
given are
L=8.0 cm, A=18 cm^2, K=6.9
using formula
C=keoA/L
plugging in values we get
C=6.9*8.854*10^-11*(18*10^-4 m^2)/0.08 m
=13745.8*10^-15
=13.74 *10^-12
=13.74 pF--answer
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