HomeworkAssignment(19-20)-03-19-08

HomeworkAssignment(1 - Lehigh University Physics 21 Spring 2008 Home Work Assignment(19-20 Note Solutions to the problems must be submitted on

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Unformatted text preview: Lehigh University March 19, 2008 Physics 21, Spring 2008 Home Work Assignment (19-20) Note: Solutions to the problems must be submitted on WileyPLUS (www.wileyplus.com). HW-19 due March 25 19-1. (HRW 32-27) Nonuniform displacement-current density. Figure 32-30 shows a circular region of radius in which a displacement current is directed out of the page. The magnitude of the density of this displacement current is given by , where r is the radial distance . What is the magnitude of the magnetic field due to the displacement current at (a) and (b) ? 19-2. (HRW 32-30) Assume the average value of the vertical component of Earth's magnetic field is (downward) for all of Arizona, which has an area of . What then are the (a) magnitude and (b) direction (inward or outward) of the net magnetic flux through the rest of Earth's surface (the entire surface excluding Arizona)? 19-3. (HRW 32-34) An electron is placed in a magnetic field that is directed along a z axis. The energy difference between parallel and antiparallel alignments of the z component of the electron's spin...
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This homework help was uploaded on 03/30/2008 for the course PHYSIC 2 taught by Professor Kim during the Spring '08 term at Lehigh University .

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HomeworkAssignment(1 - Lehigh University Physics 21 Spring 2008 Home Work Assignment(19-20 Note Solutions to the problems must be submitted on

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