Determine the diameter of the wire

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A cylindrical iron wire of length 16 m is connected to the terminals of a .3 V battery. The current through the wire is measured to be 3 A. The resisitivity of iron is 1.0 x 10^-7 Ohms*m.

What is the diameter of the wire, in mm? Show all work please.

Reference no: EM13247421

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