Page 35 - Electrical Equipment Handbook _ Troubleshooting and Maintenance
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INTRODUCTION TO MACHINERY PRINCIPLES











































            FIGURE 2.4 The hysteresis loop traced out by the flux in a core when the cur-
            rent i(t) is applied to it.





















            FIGURE 2.5 (a) Magnetic domains oriented randomly. (b) Magnetic domains lined up in the presence of
            an external magnetic field.

                                           2.8
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