3_Ch 19 College Physics ProblemCH19 Magnetism

3_Ch 19 College Physics ProblemCH19 Magnetism - Magnetism...

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Unformatted text preview: Magnetism 143 Answers to Even Numbered Problems (a’) to the left (b’) into the page (d’) toward the top (e’) into the page (b) All answers are the reverse of those given in (a). 2. (a) 4. (a) toward the top of the page (c) zero force 6. 4.96 × 10 −17 N southward 8. (a) (c’) out of the page (f’) out of the page 7.90 × 10 −12 N (b) (b) (d) out of the page into the page 0 10. 806 N 12. (a) to the left (d) toward top of page 14. 0.245 T eastward 16. (a) (b) 18. 0.109 A toward the right 20. (a) 22. 4.33 × 10 −3 N ⋅ m 24. 10 N·m, clockwise (as viewed from above the loop) 26. 118 N·m 28. 7.88 × 10 −12 T 30. 0.150 mm 32. 3.11 cm 34. (a) 36. 675 A, conventional current is downward or negative charges flow upward 38. (a) (c) (b) into the page (e) into the page (c) out of the page (f) out of the page 9.0 × 10 −3 N at 15° above horizontal in northward direction 2 .3 × 10 −3 N horizontal and due west 4.73 N toward the left 40.0 µ T into the page 1.67 µ T out of the page (b) (b) (b) 5.46 N out of the page 5.00 µ T out of the page (c) 4.73 N (c) lower left to upper right ...
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