Fundamentals of Materials Science and Engineering: An Integrated Approach, 3e

GTBL042-answers GTBL042-Callister-v3 October 11, 2007 13:37

Revised Pages

858 • Answers to Selected Problems

18.10 (b)μi∼= 2. 5 × 10 −^4 H/m,μri=200;

(c)μ(max)∼= 3. 0 × 10 −^2 H/m

18.11 (b) (i)μ= 3. 36 × 10 −^2 H/m,

(iii)χm=26,729

18.13Ms= 1. 58 × 106 A/m

18.15 (a) 2 .5K: 5. 62 × 104 A/m;(b)6.29 K

Chapter 19

19.4ν= 1. 28 × 108 m/s

19.5Fused silica:r= 2 .13; polyethylene:

r= 2. 28

19.9l= 29 .2mm