A long copper cylindrical shell of inner radius 4 cm and outer radius 7 cm surrounds concentrically a charged long aluminum rod of radius 1 cm with a charge density of 9 pC/m. AIl charges on the aluminum rod reside at its surface. The inner surface of the copper shell has exactly opposite charge to that of the aluminum rod while the outer surface of the copper shell has the same charge as the aluminum rod. Find the magnitude and direction of the electric field (in N/C) at points that are at the following distances from the center of the aluminum rod. (If the magnitude is zero, select "none" for the direction.) (а) 0.4 ст magnitude N/C direction ---Select--- (b) 2.5 ст magnitude N/C direction ---Select--- (с) 6.0 ст magnitude N/C direction -Select--- (d) 14 cm magnitude N/C direction ---Select--- (е) 19 ст magnitude N/C direction ---Select---

A long copper cylindrical shell of inner radius 4 cm and outer radius 7 cm surrounds concentrically a charged long aluminum rod of radius 1 cm with a charge density of 9 pC/m. AIl charges on the aluminum rod reside at its surface. The inner surface of the copper shell has exactly opposite charge to that of the aluminum rod while the outer surface of the copper shell has the same charge as the aluminum rod. Find the magnitude and direction of the electric field (in N/C) at points that are at the following distances from the center of the aluminum rod. (If the magnitude is zero, select "none" for the direction.) (а) 0.4 ст magnitude N/C direction ---Select--- (b) 2.5 ст magnitude N/C direction ---Select--- (с) 6.0 ст magnitude N/C direction -Select--- (d) 14 cm magnitude N/C direction ---Select--- (е) 19 ст magnitude N/C direction ---Select---

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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Question

A long copper cylindrical shell of inner radius 4 cm and outer radius 7 cm surrounds concentrically a charged long aluminum rod of radius
1 cm with a charge density of 9 pC/m. AIl charges on the aluminum rod reside at its surface. The inner surface of the copper shell has
exactly opposite charge to that of the aluminum rod while the outer surface of the copper shell has the same charge as the aluminum rod.
Find the magnitude and direction of the electric field (in N/C) at points that are at the following distances from the center of the aluminum
rod. (If the magnitude is zero, select "none" for the direction.)
(а) 0.4 ст
magnitude
N/C
direction
---Select---
(b) 2.5 ст
magnitude
N/C
direction
---Select---
(с) 6.0 ст
magnitude
N/C
direction
-Select---
(d) 14 cm
magnitude
N/C
direction
---Select---
(е) 19 ст
magnitude
N/C
direction
---Select---

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