Physics, 24.06.2021 15:50 jaksmmwlqlzm

The first and second coils have the same length, and the third and fourth coils have the same length. They differ only in the cross-sectional area. According to theory, what should be the ratio of the resistance of the second coil to the first coil and the fourth coil to the third

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The first and second coils have the same length, and the third and fourth coils have the same length...