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Unformatted text preview: 1. 6/6 points All Submissions Notes Web Assign Ch21 HW4 S2010 (Homework) Kiyaniah Tilghman PY 208, section 003M, Spring 2010 Instructor: Keith Weninger Current Score : 26 / 26 Due : Monday, March 29, 2010 12:30 PM EDT About this Assignment Extension Requests Question Points 1 2 3 6 9 11 Total 26/26 (100.0%) Description The Hall Effect Instructions Reading: Sec. 21.4 The due date for this assignment is past. Your work can be viewed below, but no changes can be made. Question: MI3 21.X.063 A copper wire with square cross section carries a conventional current I in the +x direction. There is a magnetic field B in the -z direction. Draw a diagram illustrating the situation, to help you answer the following questions. What is the direction of E parallel , the electric field that causes the current to flow? +x +x What is the direction of the drift velocity of the mobile electrons?-x-x What is the direction of the magnetic force on the moving electrons? +y +y 2. 9/9 points All Submissions Notes What is the direction of E transverse , the electric field due to the Hall effect, inside the wire? +y +y If the mobile charges had been positive (holes) instead of negative, what would have been the direction of the magnetic force on the moving positive charges? +y +y If the mobile charges had been positive instead of negative, what would have been the direction of the transverse electric field?...
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- Spring '10
- Electron, Magnetic Field, Electric charge, mobile charges