2. Consider the electric field formed from a point charge Q = 5 nC at the origin. A dipole is placed in this electric field at the Cartesian coordinate (1 m, 1 m), and its dipole moment is p = 1 ŷ (C.m). a. what is the potential energy of the dipole? b. In what direction will the dipole begin to rotate?

2. Consider the electric field formed from a point charge Q = 5 nC at the origin. A dipole is placed in this electric field at the Cartesian coordinate (1 m, 1 m), and its dipole moment is p = 1 ŷ (C.m). a. what is the potential energy of the dipole? b. In what direction will the dipole begin to rotate?

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

Please help with this ge problem?
2. a. Draw a force vector at A for a positive test charge. b. Draw a force vector at point B for a negative test charge. c. How much work is done by the field if a charge of q = 2x 10-3 C. is moved from A to C? d. How much work is done by the field if the same test charge moves from A to D? C A 6V OV 5V 4V 3V 2V 1V
2
HW.: 1. Consider a dipole in an external electric field E = a constant. magnitude of the dipole moment): Eoy where Eo is For the four cases of orientation of the dipole (p is the (i) pt (ii) = py (iii) =-p. (iv) p=-py a. Find the potential energy of the dipole in this external field. Order your answers from highest to lowest potential energy. b. If the dipole were free to rotate in this external electric field, which orientation would be the equilibrium alignment? (as a hint, consider the analogy of a particle in the gravitational field of the earth; its potential energy increases with increasing altitude above the surface. If left free, in what direction of change of potential energy does it go?) Pou is located at the origin of the coordinates At a distance ofF 0.01 meters from the 2. A point dipole %= and po dipole, find the electric field at each of the following locations and, on a diagram, sketch in the direction of the field at each point: 1.00 x 10-15 Cm. a. along the positive…
5. Two small metal cubes with masses 2.0 g and 4.0 g are tied together by a 5.0 cm long massless string and are at rest on a frictionless surface. Each is charged to +2.0 μC. a. What is the energy of this system? b. What is the tension in the string? c. The string is cut. What is the speed of each cube when they are far apart?
Hi! I need answers for these three questions.
1. Two point charges, +3 C and -6 C, are separated by 20 cm. They are NOT free to move. a) What is the magnitude of the electrostatic (Coulomb) force between the charges? Leave your answer as a function of k. ibuenser b) What is the electric field at the center point between the two charges? Leave your answer as a function of k. c) What is the electric potential at the center point between the two charges? Leave your answer as a function of k.
5. You found that the electric potential due to a dipole oriented along the z axis is given by pco$e) 4те a. What is the direction of the field along the x axis? b. If we are on the x axis, a derivative with respect to z is the same as 1 d dz ф Use this equivalence to calculate Ez along the x axis. This should agree with your result from Unit VII p. 20 in your activity guide
1. Electric force and electric potential. Inside a linear accelerator, a proton (charge + ? = 1.602 × 10−19?) travels in a straight line from one point a to another point b a total distance ? = 0.50?. Along this line, the electric field is uniform with magnitude ? = 1.5 × 107? / ? = 1.5 × 107N / C in the direction from a to b. Determinea) the force on the proton;b) the work carried out on it by the field;c) the potential difference?? − ??.
1. Near Earth's surface the electric field has the magnitude E = 150 N/C and is directed downward, as shown in Fig. Q8 (a). A proton is released from rest and moves in the electric field through a distance of d = 400 m. a. What is the change in the electric potential energy of the proton? b. Through what potential change does the proton move? c. Find the speed of the proton after completing the displacement. 2. If the proton enters the region of the electric field as shown in Fig Q8 (b) with a vị = 5 x 106 m/s. a. Find the acceleration of the proton while it is in the electric field. b. Find the time at which the proton leaves the electric Fig. Q8 (a) field. Fig. Q8 (b)
021 What is the magnitude of the force on an electron between the plates? Answer in units of N. 022 How much work must be done on the electron to move it to the negative plate if it is initially positioned 2.66 mm from the positive plate? Answer in units of J. 023 A Van de Graaff generator has a potential difference of 1.25 MV between the belt and the outer shell. Charge is supplied at the rate of 220 µC/s. What minimum power is needed to drive the moving belt? Answer in units of W.
1. Two infinite line charges are located in space as shown in the figure. The distance between the charges is equal to d. Evalaute the electric field and potential at an observation point P by using the dipole approximation. The center of the system is located at x=-h.