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1. Consider three protons (each with a charge of +lel) positioned on the three corners of a square with a side length of a. Then, from infinity to the origin, an electron (-lel) is brought. Infinity to zero. How much work must be done by the electric field to bring the electron from infinity to the origin? OA. ke² a ke² (2+ √²) (2+√³) klel² a kle (2-2) SO B. a OC. ke²

1. Consider three protons (each with a charge of +lel) positioned on the three corners of a square with a side length of a. Then, from infinity to the origin, an electron (-lel) is brought. Infinity to zero. How much work must be done by the electric field to bring the electron from infinity to the origin? OA. ke² a ke² (2+ √²) (2+√³) klel² a kle (2-2) SO B. a OC. ke²

College Physics
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)...
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1. Consider three protons (each with a charge of +lel) positioned on the three corners of a square with a side length of a. Then, from infinity to the origin, an electron (-lel) is brought. a O B. Infinity to zero. How much work must be done by the electric field to bring the electron from infinity to the origin? OA. ke² klet²2 (2+12) a _klel² (2 + √2) a OC. ke² kle/² (2-√²) OA 4k|e|² 2. Assume that the three protons and the electron are originally at infinity. Then they are put together so that the three protons are at (0,2), (a, a), and (a,0), where a > 0, and the electron is at the origin. What is the electric potential energy involved in putting them together? 08. 0 4 4k|c|² (4+ √2) a 00. Hel² (2 + 1/2²) a a OA 2√/2kjel a 3. What is the potential at the center of the square formed by the four charged particles assembled in Item 2? OB. √/2klel -(4+ √2) (T OC. -√2k el a X OD. 2k|c
Transcribed Image Text:1. Consider three protons (each with a charge of +lel) positioned on the three corners of a square with a side length of a. Then, from infinity to the origin, an electron (-lel) is brought. a O B. Infinity to zero. How much work must be done by the electric field to bring the electron from infinity to the origin? OA. ke² klet²2 (2+12) a _klel² (2 + √2) a OC. ke² kle/² (2-√²) OA 4k|e|² 2. Assume that the three protons and the electron are originally at infinity. Then they are put together so that the three protons are at (0,2), (a, a), and (a,0), where a > 0, and the electron is at the origin. What is the electric potential energy involved in putting them together? 08. 0 4 4k|c|² (4+ √2) a 00. Hel² (2 + 1/2²) a a OA 2√/2kjel a 3. What is the potential at the center of the square formed by the four charged particles assembled in Item 2? OB. √/2klel -(4+ √2) (T OC. -√2k el a X OD. 2k|c
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