A copper wire has radius r = 0.314 cm, is 6.00 m long, has resistivity p = 1.72-10-82 m, and carries a current of 0.307 A. The wire has density of charge carriers of 8.50-1028 electrons/m a) What is the resistance, R, of the wire? 183.0377 10^-8r Submit Answer Unable to interpret units. Computer reads units as "r". Tries 1/100 Previous Tries b) What is the electric potential difference, AV, across the wire? 56.1926*10^-8V Submit Answer You have entered that answer before Incorrect. Tries 1/100 Previous Tries c) What is the electric field, E, in the wire?
A copper wire has radius r = 0.314 cm, is 6.00 m long, has resistivity p = 1.72-10-82 m, and carries a current of 0.307 A. The wire has density of charge carriers of 8.50-1028 electrons/m a) What is the resistance, R, of the wire? 183.0377 10^-8r Submit Answer Unable to interpret units. Computer reads units as "r". Tries 1/100 Previous Tries b) What is the electric potential difference, AV, across the wire? 56.1926*10^-8V Submit Answer You have entered that answer before Incorrect. Tries 1/100 Previous Tries c) What is the electric field, E, in the wire?
College Physics
1st Edition
ISBN:9781938168000
Author:Paul Peter Urone, Roger Hinrichs
Publisher:Paul Peter Urone, Roger Hinrichs
Chapter20: Electric Current, Resistance, And Ohm's Law
Section: Chapter Questions
Problem 70PE: Unreasonable Results (a) What current is needed to transmit 1.00 102 MW of power at 10.0kV? (b)...
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