Problem 2.2 A student has three metal bars and a coil od wire wound around a...
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Problem 2.2 A student has three metal bars and a coil od wire wound around a nail and attached to a battery. Each of the three metal bars might belong to one of the following categories: (i) permanent magnets, (ii) ferromagnetic objects that are not permanently magnetized, or (iii) objects made of nonmagnetic materials. The bast and coil are numbered 1 through 4. The ends of each of these four objects are labeled A and B. The middle of each object is labeled m. A A A A m m I m m B B B B Bar 1 Bar 2 Bar 3 Coil 4 2 Assume that if a bar is a magnet, the poles are on the ends. The student closes the switch to the coil and makes the following observations: 1A attracts 4A 2A does not interact with 4m 3A repels 4B To which categories could each rod belong? If it is not possible to tell, explain why not and what are the possibilities. MacBook Air Problem 2.2 A student has three metal bars and a coil od wire wound around a nail and attached to a battery. Each of the three metal bars might belong to one of the following categories: (i) permanent magnets, (ii) ferromagnetic objects that are not permanently magnetized, or (iii) objects made of nonmagnetic materials. The bast and coil are numbered 1 through 4. The ends of each of these four objects are labeled A and B. The middle of each object is labeled m. A A A A m m I m m B B B B Bar 1 Bar 2 Bar 3 Coil 4 2 Assume that if a bar is a magnet, the poles are on the ends. The student closes the switch to the coil and makes the following observations: 1A attracts 4A 2A does not interact with 4m 3A repels 4B To which categories could each rod belong? If it is not possible to tell, explain why not and what are the possibilities. MacBook Air
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Related Book For
Discrete Mathematics and Its Applications
ISBN: 978-0073383095
7th edition
Authors: Kenneth H. Rosen
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