Two parallel plates carry charge of equal magnitude but opposite sign, and are separated by a distance of d = 16.0 cm. Each plate has a uniform surface charge density of ± ? = 40.0 nC/m2. (Please enter all answers using at least four significant figures.) (a.) Determine the magnitude of the electric field between teh plates from the charge density. (Recall, from chapter 23, the magnitude of the uniform electric field between two parallel, charged plates is E = ?/?o.) (b.) If a proton ( q = e = 1.602 ✕ 10-19 C; mp = 1.673 ✕ 10-27 kg) is released from rest at the positive plate, what potential difference does it move through in reaching the negative plate? (c.) What is the change in potential energy of the system when the proton is

Two parallel plates carry charge of equal magnitude but opposite sign, and are separated by a distance of d = 16.0 cm. Each plate has a uniform surface charge density of ± ? = 40.0 nC/m2. (Please enter all answers using at least four significant figures.) (a.) Determine the magnitude of the electric field between teh plates from the charge density. (Recall, from chapter 23, the magnitude of the uniform electric field between two parallel, charged plates is E = ?/?o.) (b.) If a proton ( q = e = 1.602 ✕ 10-19 C; mp = 1.673 ✕ 10-27 kg) is released from rest at the positive plate, what potential difference does it move through in reaching the negative plate? (c.) What is the change in potential energy of the system when the proton is

Physics for Scientists and Engineers: Foundations and Connections

1st Edition

ISBN:9781133939146

Author:Katz, Debora M.

Publisher:Katz, Debora M.

Chapter25: Gauss’s Law

Section: Chapter Questions

Problem 43PQ: The nonuniform charge density of a solid insulating sphere of radius R is given by = cr2 (r R),...

See similar textbooks

Similar questions

Charge is distributed throughout a spherical volume of radius R with a density p = ar², where a is a constant (of unit C/m³, in case it matters). Determine the electric field due to the charge at points both inside and outside the sphere, following the next few steps outlined. Hint a. Determine the total amount of charge in the sphere. Hint for finding total charge Qencl = (Answer in terms of given quantities, a, R, and physical constants ke and/or Eg. Use underscore ("_") for subscripts, and spell out Greek letters.) b. What is the electric field outside the sphere? E(r> R) = c. What is the electric field inside the sphere? Hint for E within sphere #3 Question Help: Message instructor E(r < R) = Submit Question E с $ 4 R G Search or type URL % 5 T ^ MacBook Pro 6 Y & 7 U * 8 9 0 0
A circular ring of radius 23.0 cm has a continuous charge distribution of -1.4 C/m. How many excess electrons are on the ring? Write your result as multiplicative of 1018. Your result must contain one figure after the decimal point. Maximum of 3% of error is accepted in your answer. One electron charge is -1.6x10 19 C.
please do not copy answers from existing problems here and online. answer completely. A ring-shaped conductor with radius a = 2.50 cm has a total positive charge Q = +0.125 nC uniformly distributed around it, as shown The center of the sign is at the origin of coordinates O. (a) What is the electric field (magnitude and direction) at point P, which is on the x-axis at x = 40.0 cm? (b) A point charge q = -2.50 microC is placed at the point P described in part (a). What are the magnitude and direction of the force exerted by the charge q on the ring?
A thick insulating cylindircal shell of inner radius a=2.7R and outer radius b=6.8R has a uniform charge density p. pR What is the magnitude of the electric field at r=3.6 R ? Express your answer using one decimal place in units of ? €0
Part A.) If a charge Q is uniformly spread throughout the volume of an insulating sphere of radius R, what fraction of the charge lies within radius R/2? Part B.) If a charge Q is spread uniformly throughout the volume of an insulating cylinder of radius R and length L, what fraction of the charge lies with radius R/2? Hint: the answer is not 1/2 for both part A and B.
Two point charges lie on the xxx axis. A charge of 6.0 μCμC is at the origin, and a charge of -9.3 μCμC is at x=10.0cm. 1. What is the net electric field at x=−4.0cm? Express your answer using two significant figures. 2. What is the net electric field at x=+4.0cm? Express your answer using two significant figures.
Part 1: What is the magnitude of the net electric fieldat the position of the charge at the origin?Answer in units of N/C. Part 2: What is the direction of the net electric field(as an angle between −180◦and +180◦ measured from the positive x-axis, with counterclockwise positive).Answer in units of ◦.
An α - particle has mass of m = 6.64 x 10-27 kg and charge q = +2e (e = 1.60 x 10-19 C). Find the magnitude of the electric repulsion between two α - particle at 4.0 cm. Write your answer in decimal with 2 - significant figure. No unit required.
A charge q = 4.2 µC is located at the origin of the coordinates. What is the electric field E = Ei + Ej at the point 'P' shown in the figure? As the answer in canvas, write the magnitude of the Electric Field. Given that x = 7 m, and y = 3 m. Write your answer in terms of N/C. µC = 10-6 C. Y P(x.y) X
I need help with part b, please! Point charges of 30.0 µC and 45.0 µC are placed 0.650 m apart. (a) At what point (in m) along the line between them is the electric field zero? ANSWER: 0.292 m away from the 30.0 µC charge (b) What (in N/C) is the electric field halfway between them? (Enter the magnitude.) ______N/C
A rectangular charged plate with dimensions of a=0.1 m and b=0.4m has a charge density of o = 312 µC /m?. What is the total charge of the plate? Express your answer in units of uC using one decimal point.
1. 2 4 E The figure above shows four very thin parallel planes of charge with equal separation between them. The charge density on plate 1 is -1 nC/m2. The charge density on plate 2 is -2 nC/m2. The charge density on plate 3 is -3 nC/m2. The charge density on plate 4 is -4 nC/m2. Your answers for the electric field must include the correct sign. We choose positive electric field along the positive x-direction. What is the Electric Field at point D? (in units of N/C) N/C