A 039 v potential dierence is maintained across a 17 m


A 0.39 V potential di?erence is maintained across a 1.7 m length of tungsten wire that has a cross-sectional area of 0.85 mm2

What is the current in the wire? The resistence of the tungsten is 5.6*10^-8

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Physics: A 039 v potential dierence is maintained across a 17 m
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