In the figure a plastic rod having a uniformly distributed charge Q = -27.2 pC has been bent into a circular arc of radius 1.82 cm and central angle 120°. With V=0 at infinity, what is the electric potential in volts at P, the center of curvature of the rod? e

In the figure a plastic rod having a uniformly distributed charge Q = -27.2 pC has been bent into a circular arc of radius 1.82 cm and central angle 120°. With V=0 at infinity, what is the electric potential in volts at P, the center of curvature of the rod? e

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

charged ring of radius R=3 m and total charge of Q=75 nC is placed on the xy plane as shown in the figure. Which of the following statement(s) is/are true I. The electric field E at point P points along the -z direction. II. The electric potential V at point P is higher than the value at the center of the ring. III. The charge density of the ring is 3.89 nC/m. IV. The electric potential at point P increases with increasing R.
Problem 5 For the arrangement of a line charge and two point charges shown, a. b. Find Q2 in terms of Q₁ so that the potential at the origin is zero. Find Q2 so that the electric field at the origin is zero. Q₁ R G R 2R Q2 Q2
A point charge q₁ = 3.90 nC is placed at the origin, and a second point charge q2 = -2.95 nC is placed on the x-axis at x = +20.0 cm. A third point charge q3 = 2.10 nC is to be placed on the x-axis between q₁ and 92. (Take as zero the potential energy of the three charges when they are infinitely far apart.) ▼ Part A What is the potential energy of the system of the three charges if q3 is placed at x = + 11.0 cm ? V—| ΑΣΦ U= 9.5 107 8 Submit Part B X Incorrect; Try Again ● x = 7.62 cm Previous Answers Request Answer ✔ Correct Where should q3 be placed between q₁ and q2 to make the potential energy of the system equal to zero? Previous Answers ? J
A parallel-plate capacitor is formed from two 7.0 cm ×7.0 cm electrodes spaced 2.0 mm apart. The electric field strength inside the capacitor is 1.0×10^6 N/C What is the charge (in nC) on the positive electrode? What is the charge (in nC) on the negative electrode?
Use the following constants if necessary. Coulomb constant, k = 8.987 × 10° N · m²/C². Vacuum permitivity, €o = 8.854 × 10-12 F/m. Magnitude of the Charge of one electron, e = 1.60217662 × 10-19 C. Mass of one electron, me = 9.10938356 x 1031 kg. Unless specified otherwise, each symbol carries their usual meaning. For example, µC means micro coulomb. a a Consider The rectangular arrangement of four point charges shown in Figure 1, where they lie on the corners of the rectangle where q = 33 nC, q2 — 29 пС, ф3 — 17 пС and q — — 46 пC and a — 12 ст. a) Calculate how much work is required to set up the arrangement if the charges are initially infinitely far apart and were at rest. (Hint: Use the relation between work done by the external agent and total electrical potential energy of the system) Net workdone Give your answer to at least three significance digits. joules
2. A thin rod of length L lies along the x-axis. It has a uniform linear charge distribution ho. b) What is the strength of the electric field at the point x? (You can find the answer by doing another integral, differentiate your answer from part (a): Ex = -dV/dx.) or you can simply a) What is the value of the electric potential at a given point x located to the right of the rod? Take V=0 at infinity.
Consider a uniformly charged solid sphere of radius R carrying total charge Q. Q V(R) = ATREO Derive an expression for the electric potential V(R) on the surface of the sphere? Enter your expression in terms of given quantities, the permittivity of free space €0, and rational and exact irrational numbers. Assume that the zero reference point for the potential is at the center of the sphere Incorrect
A conducting spherical shell of radius R and zero thickness is held at a potential V (0) = V, sin* (0). а. Determine the potential produced by the sphere everywhere. b. Determine the electric field produced by the sphere everywhere. C. Determine the surface charge density on the sphere.
1. What is a correct expression for the potential energy of the charge configuration illustrated below? Assume the sphere (of radius R) is uniformly charged. C b 92 kQq kQq, kq,q, А. + + R+а R+b kQq kQq, kq 42 + В. (R+а)? (R+b)? kQq,, kQq, , kq,q, C. + + b a kQq D. a? kq 92 + kQq,, kQq, + ? a Е.
1. A hollow thin disk of inner radius R and outer radius 2R, shown inthe figure, carries a uniformly distributed total charge of Q.a) Express the magnitude of electric field at any pointat +z-axis.b) Express electric potential at any point at +z-axis(take V∞=0).
Q2 Q3 d d. M Q1 d In three corners of a square with d=5 cm side length, there are point charges (in red) Q1=56 pC, Q2 =46 pC and Q3 =229 pC. Calculate the difference between the potentials in the middle (V2) and in the fourth corner (V1) . (V2-V1)
Q1