Task 31470.
Frame with current 12 A, containing 50 turns of wire placed in a uniform magnetic field of 0.4 T, so that the plane perpendicular to the frame of the magnetic induction lines. Square frame of 100 cm ^ 2. What kind of work you need to do to turn the plane of the frame 60 °.
Detailed solution shorthand terms, formulas and laws used in the decision, the withdrawal of the calculation formula and the response.
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