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# magnetic induction

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noun Electricity.
1. Also called magnetic flux density. a vector quantity used as a measure of a magnetic field. Symbol: B
2. magnetization induced by proximity to a magnetic field.

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First recorded in 1850–55
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

British Dictionary definitions for magnetic flux density

# magnetic flux density

noun
1. a measure of the strength of a magnetic field at a given point, expressed by the force per unit length on a conductor carrying unit current at that pointSymbol: B Also called: magnetic induction

# magnetic induction

noun
1. another name for magnetic flux density
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

magnetic flux density in Science

# magnetic flux density

1. A vector quantity measuring the strength and direction of the magnetic field around a magnet or an electric current. Magnetic flux density is equal to magnetic field strength times the magnetic permeability in the region in which the field exists. Electric charges moving through a magnetic field are subject to a force described by the equation F = qv X B, where q is the amount of electric charge, v is the velocity of the charge, B is the magnetic flux density at the position of the charge, and X is the vector product. Magnetic flux density also can be understood as the density of magnetic lines of force, or magnetic flux lines, passing through a specific area. It is measured in units of tesla. Also called magnetic flux magnetic induction