An iron wire has a length of 1.50 m and a cross sectional area of 0.240mm2. If the resistivity of iron is 10.0 x 10-8 0· m and a potential differenceof 0.800 V is maintained across its length, determine the current in the wire(in A).3.6e-2Can you use Ohm's law to express the current in the wire in terms of theresistance of the wire and the potential difference across the length of thewire? How is the resistance of the wire related to its resistivity, length, andcross-sectional area? A

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