Physics
Physics, 28.06.2020 01:01, foreignev

The resistivity of iron is 1 x 10 -7 Ωm. The resistance of a iron wire of particular length and thickness is 1 ohm. If the length and the diameter of wire both are doubled, then the resistivity in Ωm will be

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The resistivity of iron is 1 x 10 -7 Ωm. The resistance of a iron wire of particular length and thic...

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