Paper has a dielectric constant K = 3.7 and a dielectric strength of 15 × 106 V/m. Suppose that a typical sheet of paper has a thickness of 0.11 mm. You make a “homemade" capacitor by placing a sheet of 21 X 14 cm paper between two aluminum foil sheets (Fig. 17–48) of the same size. (a) What is the capacitance C of your device? (b) About how much charge could you store on your capacitor before it would break down? Aluminum Раper FIGURE 17-48 Problem 82. Aluminum

Paper has a dielectric constant K = 3.7 and a dielectric strength of 15 × 106 V/m. Suppose that a typical sheet of paper has a thickness of 0.11 mm. You make a “homemade" capacitor by placing a sheet of 21 X 14 cm paper between two aluminum foil sheets (Fig. 17–48) of the same size. (a) What is the capacitance C of your device? (b) About how much charge could you store on your capacitor before it would break down? Aluminum Раper FIGURE 17-48 Problem 82. Aluminum

College Physics

11th Edition

ISBN:9781305952300

Author:Raymond A. Serway, Chris Vuille

Publisher:Raymond A. Serway, Chris Vuille

Chapter1: Units, Trigonometry. And Vectors

Section: Chapter Questions

Problem 1CQ: Estimate the order of magnitude of the length, in meters, of each of the following; (a) a mouse, (b)...

See similar textbooks

Similar questions

(3) A 3.00 µF capacitor is connected to a 12.0 V battery. How much energy is stored in the capacitor? Had the capacitor been connected to a 6.00 V battery, how much energy would have been stored? If the potential difference across a capacitor is doubled, what happens to the energy stored?
Consider the following figure (a) Find the equivalent capacitance between points a and b for the group of capacitors connected as shown in the figure if C1 = 2.00 microfarad, C2 = 14.00 microfarad, and C3 = 2.00 microfarad. (b) If the potential between points a and b is 60.0 V, what charge is stored on C3?(In microcoulombs)
1. (a) What is the capacitance of a parallel plate capacitor having plates of area 2 m² that are separated by 0.02 mm of neoprene rubber (K = 6.7)? C = uF (b) What charge does it hold when 9 V is applied to it? Q = C (c) Compare this charge to the case when no dielectric is present. The charge when no dielectric is present is Qdielectric is present. no - dielectric compared to when a dielectric
A parallel plate capacitor has a charge of 5.50 x 10¬7C on one plate and -5.50 x 10-/ C on the other. The distance between the plates is increased by 46.0% while the charge on each plate stays the same. By how much does the energy stored in the capacitor increase? percentage
There are 2 capacitors. The capacitors are identical for the most part, but one is empty and the other one is filled with an unknown dielectric material (k=6.7). Someone connects the empty capacitor to a 9 V battery. How much voltage should be applied across the plates of the other capacitor so that both store the same amount of electric potential energy? |
An ideal capacitor filled with mica has a capacitance of 60.0 nF and is charged up to a voltage of 1.50 V. The mica has a dielectric constant of 5.00.(i) Calculate the magnitude of charge stored in the capacitor.(ii) Determine the potential energy stored in the capacitor. PLEASE HELP WITH THESE 2 QUESTIONS THANK YOU
An engineer working in an electronics lab connects a parallel-plate capacitor to a battery, so that the potential difference between the plates is 230 V. Assume a plate separation of d = 1.38 cm and a plate area of A - 25.0 cm. When the battery is removed, the capacitor is plunged into a container of distilled water. Assume distilled water is an insulator with a dielectric constant of 80.0. d into (a) Calculate the charge on the plates (in pC) before and after the capacitor is submerged. (Enter the magnitudes.) O - 369 Q, = 369 before V pc after v pC (b) Determine the capacitance (in F) and potential difference (in V) after immersion. C, - 128 You will naed to include a dielectric constant when you calculate the final capacitance. Nota that x= 80 for distillad water. F AV, = (c) Determine the change in energy (in n)) of the capacitor. Au: (d) what If? Repeat parts (a) through (c) of the problem in the case that the capacitor is immersed in distilled water while still connected to the…
2) Two parallel-plate capacitors are constructed using dielectric materials with dielectric constants K1 3 and K, = 5, as shown in Figure. Parallel-plates have the area A = 0.7 m². The distance is d = 0.05 m. A potential difference of AV = 24 V is applied to the circuit. (a) Find the equivalent capacitance of the system. (b) Find the potential AV1. (8=8.85×10-12 C²/N×m²) K1 A/2 AV1 K2 A/2 K2 K1 A/2 2d/3 d/3 K2 A/2 AV = 24 V
The figure shows a combination of three capacitors with capacitance ?1 = 10.0 ??, ?2 =15.0 ??, ?3 = 5.00 ??.(a) Calculate the equivalent capacitance of the combination.(b) If the potential difference across points a and b is V = 60.0 V, calculate the charge oncapacitor C3.
A capacitor is constructed from two square, metallic plates of sides ℓ and separation d. Charges +Q and -Q are placed on the plates, and the power supply is then removed. A material of dielectric constant κ is inserted a distance x into the capacitor as shown in the figure below. Assume d is much smaller than x. Suggestion: The system can be considered as two capacitors connected in parallel. (Use the following as necessary: ε0, κ, ℓ, Q, d, and x.) (a) Find the equivalent capacitance of the device.Ceq = (b) Calculate the energy stored in the capacitor.U =
(a) On a particular day, it takes 9.60×103 J of electric energy to start a truck’s engine. Calculate the capacitance of a capacitor that could store that amount of energy at 12.0 V.(b) What is unreasonable about this result? (c) Which assumptions are responsible?
ह s/enol b) 3.9 x 10 2) A A 3.3 cm diameter parallel plate capacitor has a Sant ni Muspiryगर Supods 7.0×10" "mo How much charge is on each plate DarCIXES (V - 10 01x22 01-01XSil (5 2.3.mm D) 2.7x10C