21_InstSolManual_PDF_Part1

21_InstSolManual_PDF_Part1 - ELECTROMAGNETIC INDUCTION 21...

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21-1 E LECTROMAGNETIC I NDUCTION 21 Answers to Multiple-Choice Problems 1. A 2. B 3. C 4. B 5. B 6. A 7. C 8. A 9. C 10. D 11. C 12. A 13. D 14. C 15. A Solutions to Problems 21.1. Set Up: The normal to the loop is in the z direction. The loop has area Solve: (a) (b) (c) Reflect: The flux is a maximum when the magnetic field is perpendicular to the plane of the loop and the flux is zero when the magnetic field is parallel to the plane of the loop. 21.2. Set Up: where is the angle between and the normal to the surface. Solve: (a) The normal to the surface is parallel to the x axis. and (b) The normal to the surface is parallel to the z axis and The flux is into the enclosed volume. (c) The normal to the surface and the direction of are shown in Figure 21.2. and The flux is out of the shaded volume.
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• Spring '07
• Shoberg
• fb, BA cos

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