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E45ClassQuiz_27 2006

E45ClassQuiz_27 2006 - rotates around the nucleus or(b the...

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E45: Quiz 12/1/06 NAME:_______________________________________________________________ 1. Does the strength of a polycrystalline metal increase or decrease as the metal’s grain size decreases? 2. For transition metals such as iron and nickel, which is the major source of the metal’s magnetic behavior: (a) the orbital motion of an inner core electron as it
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Unformatted text preview: rotates around the nucleus, or (b) the spin of unpaired inner-core electrons ? 3. Briefly describe what is meant by a “domain” in a ferromagnetic material such as iron. A domain is region of aligned magnetic moments...
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