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Unformatted text preview: 1. 1/1 points All Submissions Notes Web Assign Ch15 HW2 S2010 (Homework) Kiyaniah Tilghman PY 208, section 003M, Spring 2010 Instructor: Keith Weninger Current Score : 14 / 14 Due : Tuesday, January 26, 2010 12:30 PM EST About this Assignment Extension Requests Question Points 1 2 3 4 5 1 1 1 1 10 Total 14/14 (100.0%) Description Polarization of conductors and insulators Instructions Reading: Sec. 15.4-15.6 The due date for this assignment is past. Your work can be viewed below, but no changes can be made. Question: MI3 15.X.052 Which of the following diagrams correctly displays the polarization of a metal sphere by an electric field that points downward , using the conventions discussed in the Matter and Interactions textbook? J J 2. 1/1 points All Submissions Notes Solution or Explanation A metal object has a sea of mobile electrons, which can move throughout the metal. Excess charge builds up at the surface of the object. We draw this excess charge just outside the boundary, to indicate that it is not "inside" the conductor. Question: MI2 14.X.07.02 Which of the following diagrams correctly displays the polarization of a plastic sphere by an electric field that points to the right , using the conventions discussed in the Matter and Interactions textbook?...
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- Spring '10