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unit

Magnetic flux

Definition

The magnetic flux is the physical measure, expressed as the product of induction vector projection to surface element normal of this element. If the surface is flat and perpendicular to the lines of induction, magnetic flux is equal to the induction production to this surface area.

1 weber is the magnetic flux, at which disposal up to zero in the electric circuit with the resistance of 1 ohm, which it is in connection, a quantity of electricity of 1 coulomb passes.

1 weber is the magnetic flux caused by a uniform magnetic field with induction of 1 tesla by a surface area of 1 square meter.

1 weber is the magnetic flux which, linking a circuit of one turn would produce in it an electromotive force of 1 volt if it were reduced to zero at a uniform rate in 1 second.

 

system of units:   SI;
statute:   derived unit (with a special name);
name the value:   Φ;
unit name:   weber;
symbol unit:   Wb;
relationship of definition:   Φ = B·A;
dimension:   L2 M T-2 I-1;
expression in other units:   unit pole, Mx;

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Units of measurement

namesymbol value in SI unit:
Wb
note
1 maxwellMx= 10-8 
1 unit pole ≈ 1.256 637 × 10-7