A parallel-plate capacitor has charge of magnitude 9µC on each plate and capacitance 3µF when there is air between the plates. The plates are separated by 2.00 mm. (a) What is the potential difference between the plates of the capacitor? (b) What is the electric field between the plates of the capacitor? With the charge on the plates kept constant, a dielectric with k = 5 is inserted between the plates, completely filling the volume between the plates. (c) What is the capacitance of the capacitor with the dielectric inserted?

College Physics
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ISBN:9781305952300
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Chapter1: Units, Trigonometry. And Vectors
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Some possibly useful numbers
= 8.99 x 10° N-m²/C² €0 = 8.85 × 10-12C²/Nm²
e = 1.6 × 10–19 C
= 9.11 × 10-31kg
mp
= 1.67 x 10–27kg
leV
1.6 x 10-19J
%3D
Transcribed Image Text:Some possibly useful numbers = 8.99 x 10° N-m²/C² €0 = 8.85 × 10-12C²/Nm² e = 1.6 × 10–19 C = 9.11 × 10-31kg mp = 1.67 x 10–27kg leV 1.6 x 10-19J %3D
A parallel-plate capacitor has charge of magnitude 9µC on each plate and capacitance 3µF
when there is air between the plates. The plates are separated by 2.00 mm.
(a) What is the potential difference between the plates of the capacitor?
(b) What is the electric field between the plates of the capacitor?
With the charge on the plates kept constant, a dielectric with k = 5 is inserted between the
plates, completely filling the volume between the plates.
(c) What is the capacitance of the capacitor with the dielectric inserted?
(d) What is the potential dfifference between the plates with the dielectric inserted?
Transcribed Image Text:A parallel-plate capacitor has charge of magnitude 9µC on each plate and capacitance 3µF when there is air between the plates. The plates are separated by 2.00 mm. (a) What is the potential difference between the plates of the capacitor? (b) What is the electric field between the plates of the capacitor? With the charge on the plates kept constant, a dielectric with k = 5 is inserted between the plates, completely filling the volume between the plates. (c) What is the capacitance of the capacitor with the dielectric inserted? (d) What is the potential dfifference between the plates with the dielectric inserted?
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