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Topic: Magnetic flux density

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Tesla (unit)

Magnetic permeability

SI derived unit

Electromagnetic force

Permanent magnet

Coulomb

SI unit

Magnetism

Magnetic field

Magnetic flux

Cgs

Magnetic moment

Electromagnetism

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Flux

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	Magnetic Flux Density
		The magnetic field is called a magnetizing force (H), and it can be concentrated by winding the conductor into loops.
		The amount of magnetism induced into a body by a magnetizing force (H) is called flux density (B).
		The intensity of the flux density (B) is affected by the intensity of the magnetizing force (H), the qualities of the substance, and by the intervening media between the systems.
	www.tompotter.us /b.html (0 words)

	VLF and ELF Electric and Magnetic Fields (Site not responding. Last check: 2007-10-29)
		The maximum flux density at ground level may be under the centre line or under the outer conductors, depending on the phase relationship between the conductors.
		Magnetic flux density to the hands of the operator may reach 25 mT (Lövsund and Mild 1978; Stuchly and Lecuyer 1985).
		A typical example is the device that generates an average magnetic flux density of about 0.3 mT, a peak strength of about 2.5 mT, and induces peak electric field strengths in the bone in the range of 0.075 to 0.175 V/m (Bassett, Pawluk and Pilla 1974).
	www.ilo.org /encyclopaedia/?print&nd=857100216 (3006 words)

	Kids.Net.Au - Encyclopedia > Magnetic flux density (Site not responding. Last check: 2007-10-29)
		Magnetic flux, usually denoted by Greek letter Φ, is a measure of quantity of magnetism, taking account of the strength and the extent of a magnetic field.
		The Maxwell's equations in the absence of magnetic monopoles requires that the magnetic flux through a closed surface is zero.
		The SI unit of magnetic flux is the weber.
	www.kids.net.au /encyclopedia-wiki/ma/Magnetic_flux_density (129 words)

	Tengam Engineering, Inc. ::: Magnetic Glossary
		Magnetic induction is the flux per unit area normal to the direction of the magnetic path.
		Flux density is measured in gauss or tesla.
		The north pole of a magnet, or compass, is attracted toward the north geographic pole of the earth (which is actually, by definition, a magnetic south pole), and the south pole of a magnet is attracted toward the south geographic pole of the earth.
	www.tengam.com /html/magnetic.html (1783 words)

	What is magnetic field strength? - a definition from Whatis.com
		Magnetic field strength is defined as the mechanical force (newton) on a wire of unit length (m) with unit electric current(A).
		The older units for the magnetic flux, maxwell = 10-8 weber, and for the magnetic flux density, gauss (or oerstedt) = maxwell / cm2 = 10-4 tesla, are not to be used anymore.
		Magnetic flux density diminishes with increasing distance from a straight current-carrying wire or a straight line connecting a pair of magnetic poles around which the magnetic field is stable.
	searchsmb.techtarget.com /sDefinition/0,,sid44_gci763586,00.html (367 words)

	Magnetic flux Summary
		The SI unit of magnetic flux is the weber, and the unit of magnetic flux density is the weber per square meter, or tesla.
		Magnetic flux density, otherwise known as magnetic field density, is essentially what the layman knows as a magnetic field — akin to a gravitational or electric field.
		Magnetic flux quantum is the quantum of magnetic flux passing through a superconductor.
	www.bookrags.com /Magnetic_flux (1119 words)

	Magnetic Flux \| World of Physics
		Magnetic fields are characterized by magnetic flux density with the density of magnetic flux lines directly related to the magnitude of the magnetic field.
		Magnetic field lines are continuous loops and the number of magnetic field lines leaving a surface must, therefore, equal the number of magnetic field lines entering a surface.
		The emf magnitude depends on the magnitude of magnetic flux and upon the distance, orientation and composition of the coil.
	www.bookrags.com /research/magnetic-flux-wop (625 words)

	Magnetic Properties (Site not responding. Last check: 2007-10-29)
		The relationship between the magnetic field and the flux density is nonlinear and hysteretic.
		In this work, the saturation flux density is fundamentally defined as the flux density where changes in hysteresis behavior are negligible with changes in magnetizing field and arbitrarily defined as the flux density at a magnetic field of 200 Oersted.
		The DC permeability is a generic term used to represent the ratio of the magnetic flux density to the magnetic field.
	www.battelle.org /PipeTechnology/DOTReport/links_direct/Magnetic_Properties.htm (353 words)

	Magnetic Flux Density- Developer Zone - National Instruments
		The most popular device for measuring the flux density is the Hall-effect sensor, in which the excitation current is held constant and the semiconductor crystal placed in the field generates voltage along the axis perpendicular to the direction of the field and current flow.
		This voltage is proportional to the flux density.
		A nuclear magnetic resonance magnetometer is based on the effect of the sensitivity of the nuclear resonance frequency of certain substances placed in the magnetic field to the strength of the field.
	zone.ni.com /devzone/cda/ph/p/id/138 (582 words)

	PowerPedia:Magnetic field - PESWiki
		The "north" and "south" poles of a magnet or a magnetic dipole are labelled similarly to north and south poles of a compass needle.
		Magnetic field density, otherwise known as magnetic flux density, is essentially what the layman knows as a magnetic field —akin to a gravitational or electric field.
		For a magnetic flux density to equal 1 tesla, a force of 1 newton must act on a wire of length 1 metre carrying 1 ampere of current.
	peswiki.com /index.php/PowerPedia:Magnetic_field (3048 words)

	Magnetic fields (HSG 27, 1989)
		In the case of static magnetic fields, protection limits tend to be stated primarily in terms of the external field strength, or magnetic flux density, and the duration of exposure.
		Magnetic flux density is used to describe the magnetic field generated by electric currents in a conductor.
		The magnetic field strength (H) is related to the magnetic flux density (B) by the equation: B = µH Thus, the magnetic field is defined as a vector field of magnetic flux densityB (B-field).
	www.inchem.org /documents/hsg/hsg/hsg027.htm (3190 words)

	Examples (Partial Differential Equation Toolbox)
		where B is the magnetic flux density, H is the magnetic field intensity, J is the current density, and µ is the material's magnetic permeability.
		Visualization of the magnetostatic potential A, the magnetic field H, and the magnetic flux density B is available.
		The magnetic permeability µ; is 1 in the air and in the coil.
	www.technion.ac.il /guides/matlab/toolbox/pde/2examp17.html (837 words)

	magnetic flux - Encyclopedia.com
		flux, magnetic in physics, term used to describe the total amount of magnetic field in a given region.
		The term flux was chosen because the power of a magnet seems to "flow" out of the magnet at one pole and return at the other pole in a circulating pattern, as suggested by the patterns formed by iron filings sprinkled on a paper placed over a magnet or a conductor carrying an electric current.
		The lines of induction originate on the north pole of the magnet and end on the south pole; their direction at any point is the direction of the magnetic field, and their density (the number of lines passing through a unit area) gives the strength of the field.
	www.encyclopedia.com /doc/1E1-flux-mag.html (764 words)

	The Magnetic Transistor Theory by Dave Squires
		For a magnetic amplifier the goal would be to use a small amount of input current to switch a large amount of magnetic flux into an output coil.
		The H or magnetic potential required to reach this flux level is determined by the permeability, the shape of the BH curve, the number of coil turns, the coil length, and the coil current.
		One hundred percent of the magnet flux is switched to the opposite leg of the circuit.
	jnaudin.free.fr /html/magtrans.htm (1356 words)

	[muRata] Magnetic Pattern Recognition Sensors (Site not responding. Last check: 2007-10-29)
		Magnetic information is converted into an electrical signal without saturation, in the range from a minute magnetic flux density (order) to a high magnetic flux density (T order).
		Magnetic pattern recognition sensors are configured with a combination of a permanent magnet and elements.
		While a magnetic medium is passing over the sensor's detecting surface, the elements detect a change in the magnetic flux density, which is then converted into an electrical signal.
	www.murata.com /sensor/about2.html (291 words)

	About magnetic and electromagnetic shielding solutions.
		Flux density(B), in Gauss (G), measures the number of magnetic lines of force that reside in a square centimeter of material.
		The flux density depends on intensity of a magnetic source, the distance of the material from the magnetic source, and the material's attractiveness to the magnetic fields.
		It is difficult for magnetic flux lines to turn 90°; therefore, rounded shields, such as cylinders or boxes with rounded corners, are better at redirecting lines of flux than square shields.
	www.amuneal.com /pages/magshield-intro.php (1376 words)

	Magnetic field density - Definition, explanation
		Magnetic field density, otherwise known as magnetic flux density, is essentially what the layman knows as a magnetic field—akin to a gravitational or electric field.
		The SI unit of magnetic flux density is the tesla.
		B is the magnitude of flux density in teslas
	www.calsky.com /lexikon/en/txt/m/ma/magnetic_field_density.php (324 words)

	MuShield Magnetic Shielding - Design Guide
		The ability to conduct magnetic lines of force is called permeability, and in a magnetic shield, the degree of permeability is expressed numerically.
		The magnetic shielding material must have an initial permeability of at least 80,000, otherwise the shield thickness is compromised.
		For instance, a flux density in the shield of 2,300 to 2,500 gauss produces maximum permeability in the material.
	www.mushield.com /design-guide.html (881 words)

	Magnetic Fields
		Magnetic substances, on the other hand, display a net magnetic field produced by the order of their individual atomic fields.
		Magnetic flux density is the number of flux lines per unit area that permeates a magnetic field.
		Magnetic flux density, denoted by the letter B, is a vector quantity and thus has direction.
	members.tripod.com /~sdwayne/Notes/chap7_7.html (646 words)

	Magnetic Flux Density
		The amount of magnetic flux in a unit area perpendicular to the direction of magnetic flow.
		Specialty definitions using "magnetic flux density": coercitive field strength ♦ Hall detector, Hall effect, Hall effect magnetometer, Hall probe ♦ magnetic induction, magnetic remanence ♦ Partial Response Maximum Likelihood ♦ remanent magnetic flux density, residual flux density, residual magnetization ♦ to demagnetise, to demagnetize.
		magnetisk induktion (magnetic induction), magnetisk fluxtæthed (magnetic induction).
	www.websters-online-dictionary.com /definition/english/ma/magnetic+flux+density.html (386 words)

	Electrochemistry Encyclopedia --- Magnetic effects
		This interfacial turbulence is at the bottom of most, but not all, magnetic phenomena in electrolysis, that is when electric current flows through an electrolyte solution in a cell held between the pole faces of a magnet.
		If electrolysis is carried out between the pole faces of a magnet, the limiting current density for a species increases in proportion to the strength of the magnetic field, upon proper matching of the magnetic and the electric fields.
		The strength of the magnetic field may be expressed in terms of the magnetic flux density.
	electrochem.cwru.edu /ed/encycl/art-m01-magnetic.htm (2643 words)

	Bambooweb: Magnetic flux density
		Magnetic field density, otherwise known as magnetic flux density, is essentially what the layman knows as a magnetic field - akin to a gravitational or electric field.
		It can be more easily explained if one work backwards from the equation: $B=F/Il where B is the magnitude of$ flux density in Teslas, F is the force experienced by a wire carrying current, I, and of length, l, all in SI units.
		So, one can see for a magnetic flux density to equal 1 Telsa, a force of 1 Newton must act on a wire of length 1 Metre carrying 1 Ampere of current.
	www.bambooweb.com /articles/m/a/Magnetic_flux_density.html (234 words)

	Magnetic Flux Meter (Site not responding. Last check: 2007-10-29)
		Magnetic inspection often calls for the use of a specified level of magnetic flux within steel components.
		The magnetic flux is measured simply by placing the probe on the surface of interest.
		Measurements of magnetic flux are displayed on the unit and can also be sent via an RS232 link to a P.C. Software for use with the meter is provided which enables data to be saved and entered in spreadsheets.
	website.lineone.net /~diverse/layer3/mf300b.htm (153 words)

	Fluxtrol Inc.- Induction Heating Magnetic Flux Concentrators
		Magnetic flux may be compared to a flow rate of liquid.
		Magnetic flux flows around the coil turns and its path must always be closed.
		In a magnetic circuit, ampere-turns of the coil (driving force for magnetic flux) push magnetic flux through the reluctance of a certain area.
	www.fluxtrol.com /index.asp?pgid=46 (1901 words)

	Magnetic Flux Density (Site not responding. Last check: 2007-10-29)
		This on-line calculator from International Magnetic Solutions generates graphs of magnetic flux density (Single rectangular magnet Single rod magnet Single steel-backed rectangular magnet SingleUnits of Act Of Treason magnetic flux density or magnetic induction measure the amount of magnetic flux per unit area perpendicular to the direction of magnetic flow.
		International Magnetic Option One Solutions has created this on-line calculator to analyse a range of common magnetic applications and generate graphs of magnetic flux density (induction) Sympathy For Mr Vengeance / force / current etc. Common equations.
		A distinct quantity,, was called the magnetic field, and this terminology is still often used to distinguish the two in the.
	flux-density.eurobrandsolution.com /magnetic-flux-density.htm (181 words)

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