A magnetic circuit constructed of sheet steel has an average length of l1.5 m and cross sectional area of 0.025 m². A 50 turns coil wound on the ring has a resistance of 0.8 N and draws 4 A from A DC supply. The relative permeability is 5000. Determine a) The flux density. b) Voltage applied. c) If the material is replaced with another material with a relative permeability of 3000 and keeping the other parameters as it is then calculate the new flux and explain what happened. 1.

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A magnetic circuit constructed of sheet steel has an average length of 1.5 m and cross sectional
area of 0.025 m². A 50 turns coil wound on the ring has a resistance of 0.8 N and draws 4 A from A
DC supply. The relative permeability is 5000. Determine
a) The flux density.
b) Voltage applied.
c) If the material is replaced with another material with a relative permeability of 3000 and keeping
the other parameters as it is then calculate the new flux and explain what happened.
1.
Transcribed Image Text:A magnetic circuit constructed of sheet steel has an average length of 1.5 m and cross sectional area of 0.025 m². A 50 turns coil wound on the ring has a resistance of 0.8 N and draws 4 A from A DC supply. The relative permeability is 5000. Determine a) The flux density. b) Voltage applied. c) If the material is replaced with another material with a relative permeability of 3000 and keeping the other parameters as it is then calculate the new flux and explain what happened. 1.
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