A 3.00-m length of copper wire at 20C has a 1.20-mlong
Chapter 25, Problem 25.59(choose chapter or problem)
A 3.00-m length of copper wire at 20°C has a 1.20-mlong section with diameter 1.60 mm and a 1.80-m-long section with diameter 0.80 mm. There is a current of 2.5 mA in the 1.60- mm-diameter section. (a) What is the current in the 0.80-mmdiameter section? (b) What is the magnitude of \(\vec E\) in the 1.60-mm-diameter section? (c) What is the magnitude of \(\vec E\) in the 0.80-mm-diameter section? (d) What is the potential difference between the ends of the 3.00-m length of wire?
Text Transcription:
vec E
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