Problem 30401.
A frame in the form of a ring with a current of 1 A and a radius of 2 cm is in the air in a uniform magnetic field, the intensity of which is 75 A/m. The frame plane makes an angle of 10° with the field strength vector. What work must be done so that the angle between the plane of the frame and the vector H is 90 °.
A detailed solution with a brief note of the conditions, formulas and laws used in the solution, the derivation of the calculation formula and the answer.
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