Task 30934.
A square frame with a side of 10 cm is placed in a magnetic field with an induction of 0.1 T so that its plane is perpendicular to the lines of induction. A current of 20 A flows through the frame. What work must be done to remove the frame from the magnetic field?
Detailed solution with a short recording of the conditions, laws and formulas used in the decision, the withdrawal of the calculation formula and the answer.
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