A ferromagnetic core with a relative permeability of 2000 is shown in Figure. The dimensions are as shown in the diagram, and the depth of the core is 7 cm. The air gaps on the left and right sides of the core are 0.050 and 0.070 cm, respectively. If there are 300 turns in the coil wrapped around the center leg of the core and if the current in the coil is 1.0 A, what is the flux in each of the left, center, and right legs of the core? What is the flux density in each air gap?

Delmar's Standard Textbook Of Electricity
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Chapter25: Surge, Spike, And Lightning Protection
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100%
constant.
15 cm
core depth = 15 cm
Problem 2
A ferromagnetic core with a relative
permeability of 2000 is shown in Figure.
The dimensions are as shown in the
diagram, and the depth of the core is 7
cm. The air gaps on the left and right
sides of the core are 0.050 and 0.070 cm,
respectively. If there are 300 turns in the
coil wrapped around the center leg of the
core and if the current in the coil is 1.0 A,
what is the flux in each of the left, center,
and right legs of the core? What is the
flux density in each air gap?
|7 cm
30 cm
7 cm
7 cm
30 cm
7 cm
30 cm
-0,05 cm
300 turns
0.07 cm
7 cm
1|Page
Transcribed Image Text:constant. 15 cm core depth = 15 cm Problem 2 A ferromagnetic core with a relative permeability of 2000 is shown in Figure. The dimensions are as shown in the diagram, and the depth of the core is 7 cm. The air gaps on the left and right sides of the core are 0.050 and 0.070 cm, respectively. If there are 300 turns in the coil wrapped around the center leg of the core and if the current in the coil is 1.0 A, what is the flux in each of the left, center, and right legs of the core? What is the flux density in each air gap? |7 cm 30 cm 7 cm 7 cm 30 cm 7 cm 30 cm -0,05 cm 300 turns 0.07 cm 7 cm 1|Page
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