2-Assignment2

2-Assignment2 - ELECTRICAL ENGINEERING DEPARTMENT...

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ELECTRICAL ENGINEERING DEPARTMENT CALIFORNIA POLYTECHNIC STATE UNIVERSITY EE 255 Assignment #2 Problem 1: Consider the magnetic core shown in the figure. The depth of the core into the page is 5 cm. One coil has a 1000 turns and 1 A current, while the other coil has 2000 turns and 2 A current. The relative permeability of the core is 3000. Determine the flux density in the right, center, and left sections of the core. [B R =10.8 T, B L =10.12 T, B C =0.68 T, B Cg =0.65 T] cm 10 cm 10 cm 10 cm 20 cm 10 cm 20 cm 20 cm 10 turns 1000 cm 25 . 0 Problem 2: Consider the magnetic core shown in the figure. The depth of the core into the page is 5 cm. The coil has 2000 turns and 2 A current. The relative permeability of the core is 3000. Determine the flux density in the right, center, and left sections of the core. [B R =1.77 T, B Rg =1.69 T, B L =0.94 T, B Lg =0.895 T, B C =2.71 T] cm 10 cm 10 cm 10 cm 20 cm 10 cm 20 cm 20 cm 10 turns 2000 cm 2 1 cm 4 1
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Problem 3: The magnetic core shown in the figure is made of two types of magnetic materials. The
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This note was uploaded on 12/19/2011 for the course EE 295 taught by Professor Alishaban during the Fall '11 term at Cal Poly.

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2-Assignment2 - ELECTRICAL ENGINEERING DEPARTMENT...

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