. A text book of physics, for the use of students of science and engineering . 100 -H. 1 ? 761. Cycles of magnetisation Eoriron and steel. Fig. 7(> Cycles of magnetisation for nickel anil cobalt. In Fig. 7G2 are cycles and has a smaller area than that for niokel and cobalt. Older to take a Bpecimen through a cycle of magnetisationwork must be done; for every cubic centimetre of the material, LXIV EWINGS MOLECULAR THEORY 823 1500 1000- Soft Iron

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