In a uniform magnetic field with induction 0.1 T is a straight copper conductor cross-section of 8 mm ^ 2, which ends are connected to a flexible wire located outside the field, to the DC power source. To determine the amount of current in the conductor, if you know that when placing it perpendicular to the lines of the magnetic field induction conductor weight is balanced by the force acting on the conductor side of the field.
Detailed solution shorthand terms, formulas and laws used in the decision, the withdrawal of the calculation formula and the response.
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