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Physics, 31.07.2019 00:00 jadkins842

Acommon cylindrical copper wire used in a lab is 841 m long. find the radius (in mm) of a wire necessary to have 0.5 ohms of resistance. (the resistivity of copper at room temperature is 1.68×10-8 ohm × meter). express the answer (only numerical value) to one decimal place.

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