Task id17080
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From a ferromagnetic material, the properties of which are described in Problem 29.10, the core and armature of an electromagnet were made, the dimensions of which in millimeters are shown in Fig. 30.16. With what force is the armature attracted to the core if the substance is magnetized to saturation? What force will act after the current is turned off? 29.10. In table Figure 29.10 shows the coordinates of some points of the limiting hysteresis cycle of a certain ferromagnet. Construct a hysteresis loop. (Recommended scale: 10 mm = 100 A/m and 10 mm = = 0.20 T.) Determine the coercive force and induction at saturation from the graph. Calculate the saturation magnetization and residual magnetization Mr.
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