Задача 30840.

In a homogeneous magnetic field of 0.25 Tesla is flat frame 25 cm radius and number of turns 75. The angle between the normal to the frame and the vector of magnetic induction is 30 °. Find the mechanical moment which is exerted on the frame, if the current flowing through it 3 A. What work must commit to remove the frame from the magnetic 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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