. A current-carrying gold wire has diameter 0.87 mm. The electric field in the wire is 0.54 V>m. What are (a) the current carried by the wire; (b) the potential difference between two points in the wire 7.0 m apart; (c) the resistance of a 7.0-m length of this wire?
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. A current-carrying gold wire has diameter 0.87 mm. The electric field in the wire is 0.54 V>m....
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