At 20°C, a 7.5 m long copper wire has a cross-sectional diameter of 1 mm. If 15 A of current flow through the wire, what is the potential difference (in V) of the wire at 20°C? ρcopper = 1.68×10-8 Ω·m αcopper = 0.0039 /C°
At 20°C, a 7.5 m long copper wire has a cross-sectional diameter of 1 mm. If 15 A of current flow through the wire, what is the potential difference (in V) of the wire at 20°C? ρcopper = 1.68×10-8 Ω·m αcopper = 0.0039 /C°
Principles of Physics: A Calculus-Based Text
5th Edition
ISBN:9781133104261
Author:Raymond A. Serway, John W. Jewett
Publisher:Raymond A. Serway, John W. Jewett
Chapter21: Current And Direct Current Circuits
Section: Chapter Questions
Problem 5OQ: A potential difference of 1.00 V is maintained across a 10.0- resistor for a period of 20.0 s. What...
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At 20°C, a 7.5 m long copper wire has a cross-sectional diameter of 1 mm. If 15 A of current flow through the wire, what is the potential difference (in V) of the wire at 20°C?
ρcopper = 1.68×10-8 Ω·m
αcopper = 0.0039 /C°
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