1. What is the flux density in a magnetic field of cross-sectional area 20 cm2 having a flux of 3 mWb?
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Q: What is the flux density in a magnetic field of cross-sectional area 20 cm? having a flux of 3 mWb?
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- Consider an iron ring of 10 cmdiameter is uniformly wounded with 3000 turns of wire. The coil current is 0.25 A and a flux density of 0.6 T is set in the ring. Determine the relative permeability of the iron and magnetic field strength.Using figures (a) and (b), a magnetic flux density of 0.1 Wb in the air gap Determine the current I in the coil with 200 turns required to produceA magnetic circuit with a cross-sectional area of 20 cm? is to be operated at 50 Hz from a 120 V rms supply. The number of turns required to achieve a peak magnetic flux density of 1.8 T in the core is
- F.) An iron core has a cross-sectional area of 10^(-3) square meter and mean circumference of 1 meter. The relative permeability of the material is 500 and the number of turns is 200. Determine the current required to set up a flux of 0.001 weber. a. 7.54 A b. 7.96 A c. 8.19 A d. 8.47 AExplain the following. A. Magnetic Field Strength B. Boundary Conditionsshow thatvthis is a magnetic flux density: then prove and interpret it with reasons on each step
- What will be the MMF required to produce a flux density of 0.88 T in an air gap of 8 mm?The property of a material which opposes the production of - magnetic flux in it is known as mmf O reluctance permeability permittivity OQuantity that is not affected by magnetic field is Current flowing in conductor Moving charge Stationary charge None of the choices
- The applied MMF to a simple magnetic circuit is 350AT. It was found that the resulting magnetic field denstiy is 0.7 Wb/m2. The average length of this magnetic circuit is 1.64ft and its cross-sectional area is 4cm². What is the relative permeability of the magnetic material of the core?The applied MMF to a simple magnetic circuit is 350AT. It was found that the resulting magnetic field denstiy is 0.7 Wb/m². The average length of this magnetic circuit is 1.64ft and its cross sectional area is 4cm². What is the reluctance (in AT/Wb) of the magnetic material of the core?Consider the magnetic circuit in Figure. Assuming that the core µ= 1000µo has a uniform cross section of 4 cm2,N= 600 , the flux density in the air gap. 0.2 A L=42 cm 4 = 0.1 cm