19-2) A 25-m wire of diameter 0.30 mm draws 0.499 A when connected across a 3.0-V potential difference. (A) What is the resistance of the wire? (B) What is the resistivity of the material from which the wire is made?
19-2) A 25-m wire of diameter 0.30 mm draws 0.499 A when connected across a 3.0-V potential difference. (A) What is the resistance of the wire? (B) What is the resistivity of the material from which the wire is made?
Chapter10: Direct-current Circuits
Section: Chapter Questions
Problem 5CQ: The severity of a shock depends on die magnitude of the current through your body. Would you prefer...
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