![The resistivity of iron is 1 × 10^-7 ohm - m. The resistance of an iron wire of a particular length and thickness is 1 ohm. If the length and the diameter The resistivity of iron is 1 × 10^-7 ohm - m. The resistance of an iron wire of a particular length and thickness is 1 ohm. If the length and the diameter](https://d2rrqu68q7r435.cloudfront.net/images/2534507/54db0713-106a-4dc2-9a55-7ed8d829da31.jpg)
The resistivity of iron is 1 × 10^-7 ohm - m. The resistance of an iron wire of a particular length and thickness is 1 ohm. If the length and the diameter
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