A steel rod A is 0.5 m long with cross-sectional area of 0.75 cm2. A steel rod B is 1.0 m long with cross-sectional area 0.5 cm2. A steel rod C is 2.0 m long with cross- sectional area 2.0 cm2. All rods have the same temperature difference applied across their length. Which rod has the greatest heat transferring between its ends? C They each have the same rate B = C, both greater than A A = B, both greater than C

Physics for Scientists and Engineers: Foundations and Connections
1st Edition
ISBN:9781133939146
Author:Katz, Debora M.
Publisher:Katz, Debora M.
Chapter19: Temperature, Thermal Expansion And Gas Laws
Section19.3: Thermal Expansion
Problem 19.4CE
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A steel rod A is 0.5 m long with cross-sectional area of 0.75 cm2. A steel rod B is 1.0
m long with cross-sectional area 0.5 cm². A steel rod C is 2.0 m long with cross-
sectional area 2.0 cm2. All rods have the same temperature difference applied across
their length. Which rod has the greatest heat transferring between its ends?
OA
They each have the same rate
OB
OB= C, both greater than A
A = B, both greater than C
W ic
Transcribed Image Text:A steel rod A is 0.5 m long with cross-sectional area of 0.75 cm2. A steel rod B is 1.0 m long with cross-sectional area 0.5 cm². A steel rod C is 2.0 m long with cross- sectional area 2.0 cm2. All rods have the same temperature difference applied across their length. Which rod has the greatest heat transferring between its ends? OA They each have the same rate OB OB= C, both greater than A A = B, both greater than C W ic
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