A metal cube with sides of length a is moving at velocity =voj across a uniform magnetic field B = Bok. The cube is oriented so that four of its edges are parallel to its direction of motion (i.e., the normal vector of two faces are parallel to the direction of motion). (Figure 1) Figure Во 1 of 1 > Part A Find E, the electric field inside the cube. Express the electric field in terms of vo, Bo, and unit vectors (i, j, and/or k). Ē=-voBoi Submit ✓ Correct Now, instead of electrons, suppose that the free charges have positive charge q. Examples include "holes" in semiconductors and positive ions in liquids, each of which act as "conductors" for their free charges. Part B Previous Answers If one replaces the conducting cube with one that has positive charge carriers, in what direction does the induced electric field point? O`-i O ti O +3 O-k Submit Request Answer

A metal cube with sides of length a is moving at velocity =voj across a uniform magnetic field B = Bok. The cube is oriented so that four of its edges are parallel to its direction of motion (i.e., the normal vector of two faces are parallel to the direction of motion). (Figure 1) Figure Во 1 of 1 > Part A Find E, the electric field inside the cube. Express the electric field in terms of vo, Bo, and unit vectors (i, j, and/or k). Ē=-voBoi Submit ✓ Correct Now, instead of electrons, suppose that the free charges have positive charge q. Examples include "holes" in semiconductors and positive ions in liquids, each of which act as "conductors" for their free charges. Part B Previous Answers If one replaces the conducting cube with one that has positive charge carriers, in what direction does the induced electric field point? O`-i O ti O +3 O-k Submit Request Answer

University Physics Volume 2

18th Edition

ISBN:9781938168161

Author:OpenStax

Publisher:OpenStax

Chapter12: Sources Of Magnetic Fields

Section: Chapter Questions

Problem 25P: A long, straight, horizontal wire carries a left-to-right current of 20 A. If the wire is placed in...

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