4. Three identical point charges +Q are placed each at a distance a from the origin as shown in the figure. The net electric field E at the origin is: a) -2ki b) -2kj c) +kj d) -ki a) The force is same at all points. b) At point (A) close to positive plate. c) At point (B) midway between the two plates. d) At point (C), close to negative plate. e) At points (C) and (D). e) Zero 5. An electron is placed between two parallel infinite charged sheets, one with uniform surface charge density to and the other with -o as shown in the figure. At which point the electric force on the electron is largest? to a) 377.0 b) 565.5 c) 754.0 d) 942.5 e) 1131 a -0 a Ax TH Bx Cx 6. A thin charged ring of radius r = 0.04 m carries a uniform charge density λ = 26.55 nC/m, placed inside a cubic surface of side length L = 1.5 m. Find the net flux (in Nm²/C) through the cubic surface. xD 2

4. Three identical point charges +Q are placed each at a distance a from the origin as shown in the figure. The net electric field E at the origin is: a) -2ki b) -2kj c) +kj d) -ki a) The force is same at all points. b) At point (A) close to positive plate. c) At point (B) midway between the two plates. d) At point (C), close to negative plate. e) At points (C) and (D). e) Zero 5. An electron is placed between two parallel infinite charged sheets, one with uniform surface charge density to and the other with -o as shown in the figure. At which point the electric force on the electron is largest? to a) 377.0 b) 565.5 c) 754.0 d) 942.5 e) 1131 a -0 a Ax TH Bx Cx 6. A thin charged ring of radius r = 0.04 m carries a uniform charge density λ = 26.55 nC/m, placed inside a cubic surface of side length L = 1.5 m. Find the net flux (in Nm²/C) through the cubic surface. xD 2

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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