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?The length of a magnetic circuit in a moving iron instrument is 300mm.The coil around the soft iron core has 360 turns and takes a current of 1.75A.The core is square in section with sides of 20mm.Take the relative permeability of soft iron as 1100. Determine the magnetomotive force in the core. Determine the field strength. Determine the flux density. Determine the total flux.