ENGRI111_HW4 - Yuri Andrade Sylvester [email protected] October 2 2004 ENGRI 111 Homework#4 Due Monday October 4 2004 1 Write concise answers for

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Yuri Andrade Sylvester [email protected] October 2, 2004 ENGRI 111 Homework #4 Due Monday, October 4, 2004 1. Write concise answers for the following questions regarding magnetic moments: a. What are the two sources of magnetic moments for electrons? Why? The two sources for magnetic moments in electrons are spin momentum and orbital momentum. The electron is analogous to a small current loop that generates a small magnetic field, and which has a magnetic moment along its axis of rotation. Also, each electron can be thought of as spinning around an axis. The magnetic momentum that is originated as a consequence of this is directed along the spin axis (this can have a value of +1/2 or -1/2). b. Do all electrons have a net magnetic moment? Why or why not? No, because electrons can be thought of as being a small magnet having permanent orbital and spin magnetic moments. This is a partial constituent of the atom, and therefore it is has a partial (not net) contribution to the magnetic moment. Plus, net means that there is
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This homework help was uploaded on 02/03/2008 for the course ENGRI 1110 taught by Professor Giannelis during the Fall '07 term at Cornell University (Engineering School).

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ENGRI111_HW4 - Yuri Andrade Sylvester [email protected] October 2 2004 ENGRI 111 Homework#4 Due Monday October 4 2004 1 Write concise answers for

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