Answered: H+ 7 cm 30 cm +4 7 cm 7 cm -0.07 cm 30…

Delmar's Standard Textbook Of Electricity

7th Edition

ISBN:9781337900348

Author:Stephen L. Herman

Publisher:Stephen L. Herman

Chapter14: Basic Trigonometry And Vectors

Section: Chapter Questions

Problem 5RQ: 5. The hypotenuse has a length of 65 in., and side A has a length of 31 in. What is angle X?

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A ferromagnetic core with a relative permeability of 1500 is shown in the following figure. The depth of the core is 5 cm. Because of fringing effects, the effective area of the air gaps is 5 percent larger than their physical size. If there are 300 turns in the coil wrapped around the center leg of the core, and if the current in the coil is 1.25 A, find the magnetic flux and the field density in all three legs of the core, as well as the magnetic flux and flux density in the two air gaps.

7 cm
30 cm
+4
7 cm
7 cm
-0.07 cm
30 cm-
7 cm
+7 cm|-
300 turns
-30 cm-
0.05 cm
+7 cm
Core depth = 5 cm

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