Ohm’s law: A cylindrical wire of radius 2.0 mm carries a cu…
Ohm’s law: A cylindrical wire of radius 2.0 mm carries a current of 2.5 A. The potential difference between points on the wire that are 46 m apart is 3.7 V.(a) What is the electric field in the wire? (2 points)(b) What is the resistivity of the material of which the wire is made? (2 points)
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