Pay attention to the following two types of hysteresis curves M M magnetization magnetization Bo Bo outer magnetic field Explain the difference between these two curves! outer magnetic field
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- What is the strength of that magnetic field 0.04 meters from a long thin wire carrying 12 amps of current? 2.3 ETeslas O 6.0 ETeslas O 7.5 E-6Teslas 5.2 ETeslas 3.8 ETeslasHelpWhich of the following modifications to an electromagnet would be most likely to decrease the strength of its magnetic field? a) reducing the number of coils and inserting an iron core b) removing its iron rod core and increasing the number of coils c) increasing the current and reducing the number of coils d) decreasing the current and reducing the number of coils
- The figure below indicates that I and I2 are in opposite direction. they have magnitude of 3A and 5A consecutively. they are also at radiuses 2m and 4m consecutively. What is the magnetic field magnitude? of I2 ENG 4) G 7/TVQUESTION 11 The magnitude of a magnetic field a distance 3.0 um from a wire is 31.0 x 10-4 T. How much current is flowing through the wire. Assume the wire is the only contributor to the magnetic field. 30 mA 584 mA 47 mA 292 mABased on the information
- 14An electron is traveling in a circular path that is exactly perpendicular to a uniform magnetic field. Which of the following would reduce the radius of the circular path of the electron? a) increasing the size of the magnetic field b) decreasing the speed of the electron c) both of the above d) none of the aboveWhich of the above objects falls in each category? The bar magnet The magnetic car The nail The copper and zinc electrodes (the spade-shaped pieces of metal). Category 1 objects will not or attract or repel anything magnetically. Category 2 objects will be attracted to category 3 objects. Category 3 objects will be attracted to category 2 objects, and will either attract or repel other category 3 objects, depending on how they are oriented.