Problem 5 A magnetic circuit with its dimensions in centimeters is given in Fig. 4 and the magnetization characteristic of the magnetic material is shown in Fig. 5. Knowing that the magnetic circuit has a uniform thickness of 14cm and the flux density B in the airgap (section ab) is 0.82T and the permeability of free space Ho is 47 10-7 H/m. Find the current in the 950-turn coil that produces the flux in the circuit.

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Problem 5
A magnetic circuit with its dimensions in centimeters is given in Fig. 4 and the magnetization characteristic
of the magnetic material is shown in Fig. 5. Knowing that the magnetic circuit has a uniform thickness of
14cm and the flux density B in the airgap (section ab) is 0.82T and the permeability of free space po is 47
10-7 H/m.
Find the current in the 950-turn coil that produces the flux in the circuit.
80
20
60
100
Fig. 4 Magnetic circuit
Transcribed Image Text:Problem 5 A magnetic circuit with its dimensions in centimeters is given in Fig. 4 and the magnetization characteristic of the magnetic material is shown in Fig. 5. Knowing that the magnetic circuit has a uniform thickness of 14cm and the flux density B in the airgap (section ab) is 0.82T and the permeability of free space po is 47 10-7 H/m. Find the current in the 950-turn coil that produces the flux in the circuit. 80 20 60 100 Fig. 4 Magnetic circuit
1.50
1.25
1.00
0.75
0.50
0.25
250
500
750
1000
1250
1500
1750
2000
2250
Magnetic field intensiry, H(A.t/m}
Fig. 5 Magnetization curve (B-H curve)
Flux density, B (T)
Transcribed Image Text:1.50 1.25 1.00 0.75 0.50 0.25 250 500 750 1000 1250 1500 1750 2000 2250 Magnetic field intensiry, H(A.t/m} Fig. 5 Magnetization curve (B-H curve) Flux density, B (T)
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