Ө +q Ө a A Ө -a Фта 4) Four charges are an equal distance r from some origin. What is the direction of the electric field, E, at the origin, due to the four charges? Then what is the magnitude of E at the origin. Charge values are given in the picture.
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- What is the electric field at point P due to the two charges shown? +3.1 x 10-6 C -2.2 x 10-6 C (+ + 1.8 m 0.50 m 07.4x104[right] 07.4x10¹ [left] с ● P 2.7x10¹ [right] N с ○2.7x10¹ [left] NWhat is the field strength of the electric vector E at the origin as a result of all three charges and what is its direction(in polar coordinates)Ē₁ 0.400 m 2. (a) Place a charge of -7 µc at point P and find the magnitude and direction of the electric field at the location of q2 due to q1 and change at p. (b) Find the magnitude and direction of the force on 92. 10₂ E 0.500 m 0.300 m 92 x
- Two charges, +Q and -Q, are located two meters apart and there is a point along the line that is equidistant (midway) from the two charges as indicated. Which vector best represents the direction of the electric field at that point? O ED о Ес EA -Q Ec EB E₁ A En +QThree charges are at the corners of an equilateral triangle, as shown in Figure a) Calculate the electric field at a point midway between the two charges on the х-ахis. b) If a charge of 2.00 nC is placed at that midpoint, determine the force (direction and magnitude) acting on this particle. y 4.00 nC 50.0 cm 60.0° 6.00 nC -5.00 nC Three charges at the corners of an equilateral triangle.Charge q, = 2.50 nC is at x, = 0 and charge q, = 6.00 nC is at x, = 4.00 m. At what point between the two charges is the electric field equal to zero? (Enter the x coordinate in m.) HINT Write an expression for the net electric field as a function of position, x, in the region between the two charges. (Don't forget that the electric field is a vector, so direction is important!) Set this expression equal to zero and solve for the variable x using the quadratic equation. Click the hint button again to remove this hint. m
- An electron, initially at rest is placed in an electric field of 5?105 ?∕? directed west. What is the acceleration of the electron due to the electric field? Group of answer choices 4.79x10^13 m⁄s^2 4.79x10^-13 m⁄s^2 8.78x10^-16 m⁄s^2 8.78x10^16 m⁄s^2+2Q +QC Two charges, +Q and +2Q are placed a distance R apart (see figure). The magnitude and direction of the force F on the +Q charge is shown by the arrow. Which of the following arrows in the choices represents the approximate magnitude and direction of the force on the +2Q charge?Liquid water has a large dielectric constant of ɛ, = 80. Suppose that a single sodium ion (Na+, carrying a positive charge of +1e) is held in the middle of a beaker of pure water. Compared to the volume of the sodium ion, the volume of the water can be effectively treated as infinite. a) Write down the electric displacement at r distance away from the sodium ion. b) Write down the electric field at r distance away from the sodium ion. c) Write down the electrostatic force that the sodium ion acts on a water molecule that is 2nm away from the ion and oriented with its dipole moment radially away from the ion. d) Calculate the polarization at a distance r = 2nm away from the sodium ion. e) The dipole moment of a water molecule is 6.17 x 10-30C · m. Estimate how much fraction of the water molecules that are at 2nm away from the sodium ion are reoriented by the sodium ion. (Assume that there are only two possible states for these water molecules: either randomly oriented and showing zero…
- Three charges are at the corners of an equilateral triangle, as shown in the figure below. Calculate the electric field at a point midway between the two charges on the x-axis. (Let q1 = 2.50 ?C,q2 = 6.00 ?C,and q3 = −2.50 ?C.)A-6 C, 4 kg charge has an acceleration of +3 m/s2 in the positive x-direction. What is the electric field that would cause this acceleration? Positive and negative answers indicate directions in the positive and negative x-directions, respectively. O +1 N/C O -1 N/C O-3 N/C O +2 N/C O-2 N/CTwo charges, Q1 and Q2, are equal in magnitude.The electric field midway between them points from Q2 to Q1. What are the signs of the charges on Q1 and Q2, respectively?