The electromagnet of Figure below has picked up a section of cast iron. Determine the current I required to establish the indicated flux in the core, if lab = lcd = lef = lia = 101.6 x %3D 10-3 m, lc = lde = 12.7 x 10-3m, Ø = 3.5 x 10-4 Wb and A = 6.452 x 10-4 m². Magnetizing force of sheet steel = 70 At/m, Magnetizing force of cast iron = 16O0 At/m (1) Draw the magnetic circuit equivalent, (2) Draw the electric circuit analogy for the system (3) Determine the Hl for each section: Hefablefab and Hpcdelbode

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Please answer number 3
The electromagnet of Figure below has picked up a section of cast iron. Determine the
current I required to establish the indicated flux in the
core,
if lab = led = lef = lia = 101.6 x
10-3 m, lc = lde
Magnetizing force of sheet steel = 70 At/m, Magnetizing force of cast iron = 1600 At/m
= 12.7 x 10-3 m, Ø = 3.5 x 10-4 Wb andA = 6.452 x 10-4 m².
(1) Draw the magnetic circuit equivalent,
(2) Draw the electric circuit analogy for the system
(3) Determine the Hl for each section: Hefablefab and Hpcdelbode
(4) Ans. I = 4.49A
N = 50 turns
Sheet steel
I.
1 b
Cast iron
C
Transcribed Image Text:The electromagnet of Figure below has picked up a section of cast iron. Determine the current I required to establish the indicated flux in the core, if lab = led = lef = lia = 101.6 x 10-3 m, lc = lde Magnetizing force of sheet steel = 70 At/m, Magnetizing force of cast iron = 1600 At/m = 12.7 x 10-3 m, Ø = 3.5 x 10-4 Wb andA = 6.452 x 10-4 m². (1) Draw the magnetic circuit equivalent, (2) Draw the electric circuit analogy for the system (3) Determine the Hl for each section: Hefablefab and Hpcdelbode (4) Ans. I = 4.49A N = 50 turns Sheet steel I. 1 b Cast iron C
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