Give the definition of the vector of magnetic induction.

The modulus of the magnetic induction vector is a value equal to the ratio of the force acting on a conductor with a current, placed in a magnetic field perpendicular to the magic vector of pus induction, to the current in the conductor and to the length of the active part of the conductor in a magnetic field.
(The modulus of the magnetic induction vector is numerically equal to the maximum force acting from the side of the magnetic field on a piece of conductor 1 m long with a current in it of 1 A. The unit of magnetic induction is tesla (T): 17l = 1 N / A * m

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