Question: Problems 671 47. Two pieces of the same wire have the same length. From one piece, a square coil containing a single loop is made.

Problems 671 47. Two pieces of the same wire have the same length. From one piece, a square coil containing a single loop is made. From the other, a circular coil containing a single loop is made. The coils carry different currents. When placed in the same magnetic field with the same orien- tation, they experience the same torque. What is the ratio Isquare/I circle of the current in the square coil to the current in the circular coil

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