2-A parallel-plate air-filled capacitor has capacitance of 40 pF. (a) If each of its plates has an area of 0.35 m", what is the separation? (b) If the region between the plates is now filled with material having K = 5.6, what is the capacitance? %3!

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Chapter16: Electrical Energy And Capacitance
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Problem 6CQ: An air-filled parallel-plate capacitor with capacitance C0 stores charge Q on plates separated by...
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2-A parallel-plate air-filled capacitor has capacitance of 40 pF. (a)
If each of its plates has an area of 0.35 m", what is the
separation? (b) If the region between the plates is now filled
with material having K = 5.6, what is the capacitance?
3- Two parallel plates of area 100 cm? are given charges of equal
magnitudes 8.9 x 107 C but opposite signs. The electric field
within the dielectric material filling the space between the
plates is 1.4 x 10° V/m. (a) Calculate the dielectric constant of
the material. (b) Determine the magnitude of the charge
induced on each dielectric surface
Transcribed Image Text:2-A parallel-plate air-filled capacitor has capacitance of 40 pF. (a) If each of its plates has an area of 0.35 m", what is the separation? (b) If the region between the plates is now filled with material having K = 5.6, what is the capacitance? 3- Two parallel plates of area 100 cm? are given charges of equal magnitudes 8.9 x 107 C but opposite signs. The electric field within the dielectric material filling the space between the plates is 1.4 x 10° V/m. (a) Calculate the dielectric constant of the material. (b) Determine the magnitude of the charge induced on each dielectric surface
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