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| Teaching Since: | May 2017 |
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MCS,PHD
Argosy University/ Phoniex University/
Nov-2005 - Oct-2011
Professor
Phoniex University
Oct-2001 - Nov-2016
1-13. A core with three legs is shown in Figure P1-10. Its depth is 8 cm, and there are 400 turns on the center leg. The remaining dimensions are shown in the figure. The core is composed of a steel having the magnetization curve shown in Figure 1-10c. Answer the following questions about this core:
(a)Â Â Â Â What current is required to produce a flux density of 0.5 T in the central leg of the core?
(b)Â Â Â Â What current is required to produce a flux density of 1.0 T in the central leg of the core? Is it twice the current in part (a)?
(c)Â Â Â Â What are the reluctances of the central and right legs of the core under the conditions in part (a)?
(d)Â Â Â Â What are the reluctances of the central and right legs of the core under the conditions in part (b)?
(e)Â Â Â Â What conclusion can you make about reluctances in real magnetic cores?
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