College Physics
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ISBN: 9781305952300
Author: Raymond A. Serway, Chris Vuille
Publisher: Cengage Learning
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Consider a parallel plate capacitor having plates of area 1.55 cm2 that are separated by 0.022 mm of neoprene rubber. You may assume the rubber has a dielectric constant κ = 6.7.
Part (a) What is the capacitance in nanofarads?
Part (b) What charge, in coulombs, does the capacitor hold when 9.00 V is applied across it?
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- Problem 5: Consider a parallel plate capacitor having plates of area 1.5 cm? that are separated by 0.028 mm of neoprene rubber. You may assume the rubber has a dielectric constant K = 6.7. Part (a) What is the capacitance in nanofarads? C = nF sin() cos() tan() 8 9 HOME cotan() asin() acos() E 4 5 6 atan() acotan() sinh() 1|2 |3 cosh() tanh() cotanh() +- END ODegrees O Radians Vol BACKSPACE DEL CLEAR Part (b) What charge, in coulombs, does the capacitor hold when 9.00 V is applied across it?arrow_forwardWhat is the capacitance in units of micro-Farads of a parallel plate capacitor having plates of area 1.25 m2 that are separated by 0.0241 mm of a film with a dielectric constant = 5.8?arrow_forwardA parallel plate capacitor is composed of two rectangular plates with length 5mm and width 3 mm. The thickness of the insulating material is 0.5 mm. Find the permittivity of the insulating material if the capacitance is 2 μF.arrow_forward
- A 31 m length of coaxial cable has a solid cylindrical wire inner conductor with a di- ameter of 2.168 mm and carries a charge of 10.02 µC. The surrounding conductor is a cylindrical shell and has an inner diameter of 11.534 mm and a charge of-10.02 C. What is the capacitance of this cable? As- sume the region between the conductors is air. The value of the Coulomb comstant is 8.98755 x 10° N m²/C. Answer in units of nF.arrow_forward7. (a) The space between two parallel plate capacitor is filled with two dielectric materials of same dimensions. What is the resulting capacitance as a function of K₁, K₂ and the original Co when the space in between is empty? (b) What would be the resulting capacitance of the following setup then? Express your answer as a function of K₁, K₂ and the original Co when the space in between is empty?arrow_forwardA parallel plate capacitor with air between its plates is charged to 86.6 V and then disconnected from the battery. When an unknown dielectric material is placed between the plates, the voltage across the capacitor drops to 21.519 V. What is the dielectric constant of the unknown material? Assume that the material fills the space between the plates completely. Round your answer to 2 decimal places.arrow_forward
- A parallel plate capacitor has a capacitance of 5.5 µF when filled with a dielectric. The area of each plate is 2.0 m2 and the separation between the plates is 0.84E-5 m. What is the dielectric constant of the dielectric?arrow_forwardModern computer memories use parallel-plate capacitors to store information, and these capacitors are the basic elements of a random- access memory (RAM) chip. Assume one of these capacitors has plates with area L x L with L = 0.21 μm and a plate separation of 10 nm. The usual dielectric found between the plates is composed of SiO₂ and has a dielectric constant close to that of glass. What is the capacitance of the RAM capacitor when it is filled with SiO₂? Farrow_forwardestion 9. A cell membrane has a thickness of t = 80 nm, and a radius r = 15 µm. The relative dielectric constant is 2.5. Estimate the cell capacitance.arrow_forward
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