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: he flux density of a magnetic field whose flux is 300 cectional area is 0.25 m ?
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Q: 3. A 15-cm diameter circular loop of wire is placed in a 0.50 T magnetic field. (A) When the plane…
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Q: The flux in the 0.15in. air gap of a magnetic circuit is 222,000 maxwells, produced by an mmf of…
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Q: Given the magnetic field is 3 units. Find the flux density in air(in 10^-6 order).
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A: Given data, Speed of conductor, v=25 km/h Length, L=1 m Magnetic flux density, B=0.6 T
Q: What is the flux density in a magnetic field of cross-sectional area 20 cm? having a flux of 3 mWb?
A: We are authorized to answer one question at a time, since you have not mentioned which question you…
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Q: Using figures (a) and (b), a magnetic flux density of 0.1 Wb in the air gap Determine the current I…
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Q: What will be the MMF required to produce a flux density of 0.88 T in an air gap of 8 mm?
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A: Given values are - B=1.3TH=700Am
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Q: 2) A proton is moving in a constant magnetic field, see figure, what is the direction of the force…
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Q: If a current of 6A flows through a long wire of radius 0.0042 meter, what is the flux density (H)…
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Q: A flux of 2 mWb passes through a strip of length and breadth 10 cm and 20 cm respectively. It is…
A: Given, Flux, φ= 2 mWb= 2×10-3 Wb Length, l= 10 cm= 10×10-2 m Breadth, b= 20 cm= 20×10-2 m Angle to…
Q: Consider the figure shown below with all values in mm and the uniform thickness of 20 mm. If the…
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Q: 6. Calculate magnetic field and magnetic flux density at point A when current I = 100A and radius=…
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Q: QUESTION 1 What is the magnetic flux density (B-field) at a distance of 0.31 m from a long, straight…
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Q: A straight long wire is carrying a current of 1000 A. Find the flux density at a point 1 ft from the…
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Q: Find the magnetic force when a charge 3.5C with flux density of 4 ay is having a velocity of 2ax
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A: Given, a=0.5 mE=8 N/C
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- Determine the magnetic field strength and the mmf required to produce a flux density of 0.25T in an air gap of length 12mm.Calculate the flux density (B), produced by a magnetizing force (H) of 2000At/m in steel having a relative permeability of 400.A 0.5-m length of wire carries a 10-A current perpendicular to a magnetic field. Determine the magnetic flux density needed so that the force on the wire is 3 N.
- An electromagnet has an air gap of 3 mm length and the flux density in the gap is 1.257 T. Find the ampere-turns required for the air gap.Outside of a very long current carrying wire, the magnetic flux density B is circular and the It is inversely proportional to the distance from the axis. Find the divergence of the magnetic flux density.When changes occur in a magnetic field that intersects a conductor, what results? Select one: a. Induced voltage. b. Increased conductor resistance. c. An overload condition. d. A short circuit.
- Quantity that is not affected by magnetic field is? a)Stationary charge b)None of the choices c)Moving charge d)Current flowing in conductorIn the figure is shown a current of 50 A in a wire 120 cm long and at an angle of 45° to a magnetic field of flux density 6.0 x 10 -4 Wb/m2. What are the magnitude and direction of the force on this wire?The saturation curve of a particular core material shows that at a magnetic field intensity of 1250 At/m and the flux density is 0.80 Tesla. Determine the relative permeability of the core material.
- Find the magnetic flux density in the center of a circular ring of conductive wire of radius a=2m carrying the current I=2A.The eddy current loss in a particular magnetic circuit is 10W/m3. If the frequency of operation is reduced from 50 Hz to 30 Hz with the flux density remaining unchanged, determine the new value of eddy current loss per cubic metre.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 produce