The magnetic circuit in Fig.4 has following dimensioņs: 1,=10 cm, 2=l;=18 cm, cross-sectional area of l, path=6.25 cm, cross-sectional area of l2 and l; path=3 cm', length of air gap=2mm. Taking the relative permeability of the core material as 800, find the required current in the 600 turn exciting coil so as to establish a flux of 100 uwb in the air gap. Neglected leakage and fringing.

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, The magnetic circuit in Fig.4 has following dimensions: I=10 cm, l2=l3=18 cm,
cross-sectional area of l, path=6.25 cm, cross-sectional area of l2 and l3 path=3 cm",
length of air gap=2mm. Taking the relative permeability of the core material as 800,
find the required current in the 600 turn exciting coil so as to establish a flux of 100
uwb in the air gap. Neglected leakage and fringing.
ст
.....
Fig.4
Transcribed Image Text:, The magnetic circuit in Fig.4 has following dimensions: I=10 cm, l2=l3=18 cm, cross-sectional area of l, path=6.25 cm, cross-sectional area of l2 and l3 path=3 cm", length of air gap=2mm. Taking the relative permeability of the core material as 800, find the required current in the 600 turn exciting coil so as to establish a flux of 100 uwb in the air gap. Neglected leakage and fringing. ст ..... Fig.4
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