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23 Nov 2019

The plates of a spherical capacitor have radii 45.8 mm and 50.1 mm. (a) Calculate the capacitance in picofarads. (b) What must be the plate area in square centimeters of a parallel-plate capacitor with the same plate separation and capacitance?

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Nelly Stracke
Nelly StrackeLv2
29 Jan 2019

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Related textbook solutions

Physics: Principles with Applications
7th Edition, 2013
Giancoli
ISBN: 9780321625922

Related questions

What is the theoretical capacitance of a parallel plate capacitor with circular plates of diameter 20 cm that has a plate separation of 5 mm with air between the plates? How much charge can be stored within this capacitor if it is charged to 3000 V?

Part A
What property of objects is best measured by their capacitance?
a. the ability to conduct electric current
b. the ability to distort an external electrostatic field
c. the ability to store charge
Part B
Consider an air-filled charged capacitor. How can its capacitance be increased?
a. Increase the charge on the capacitor.
b. Decrease the charge on the capacitor.
c. Increase the spacing between the plates of the capacitor.
d. Decrease the spacing between the plates of the capacitor.
e. Increase the length of the wires leading to the capacitor plates.
Part C
Consider a charged parallel-plate capacitor. How can its capacitance be halved?
Check all that apply.
a. Double the charge.
b. Double the plate area.
c. Double the plate separation.
d. Halve the charge.
e. Halve the plate area.
f. Halve the plate separation.
Part D
Consider a charged parallel-plate capacitor. Which combination of changes would quadruple its capacitance?
a. Double the charge and double the plate area.
b. Double the charge and double the plate separation.
c. Halve the charge and double the plate separation.
d. Halve the charge and double the plate area.
e. Halve the charge separation and double the plate area.
f. Double the plate separation and halve the plate area.

Determine (a) the capacitance and (b) the maximum potential difference that can be applied to a Teflon-filled parallel-plate capacitor having a plate area of 1.75 cm2 and a plate separation of 0.0400 mm.

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