A copper rod has an initial length 5.0 cm and a thermal expansion coefficient of 16 x 10-6 /K. It is heated from room temperature (22 °C) to a final temperature T, and its final length is 5.0064 cm. What is the final temperature in °C? In your answer, use the relation (Lfinal – Linitial)/ Linitial = a(Tfinal – Tinitial) where Linitial is the initial length, L final is the final length, Tinitial is the initial temperature, Tfinal is the final temperature, and a is the thermal expansion coefficient. (This question has only one correct answer) O a. 133 О Б. 102 О с. 107

Elements Of Electromagnetics
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A copper rod has an initial length 5.0 cm and a thermal expansion coefficient of 16 x 106 /K. It is heated from room temperature (22 °C) to a final
temperature T, and its final length is 5.0064 cm. What is the final temperature in °C?
In your answer, use the relation (L final – Linitial)/Linitial
a(Tfinal – Tinitial)
where Linitial is the initial length, L final is the final length, Tinitial is the initial temperature, Tfinal is the final temperature, and a is the thermal
expansion coefficient.
(This question has only one correct answer)
a. 133
b. 102
c. 107
d. 141
Transcribed Image Text:A copper rod has an initial length 5.0 cm and a thermal expansion coefficient of 16 x 106 /K. It is heated from room temperature (22 °C) to a final temperature T, and its final length is 5.0064 cm. What is the final temperature in °C? In your answer, use the relation (L final – Linitial)/Linitial a(Tfinal – Tinitial) where Linitial is the initial length, L final is the final length, Tinitial is the initial temperature, Tfinal is the final temperature, and a is the thermal expansion coefficient. (This question has only one correct answer) a. 133 b. 102 c. 107 d. 141
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