A L M B
Elements Of Electromagnetics
7th Edition
ISBN:9780190698614
Author:Sadiku, Matthew N. O.
Publisher:Sadiku, Matthew N. O.
ChapterMA: Math Assessment
Section: Chapter Questions
Problem 1.1MA
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Question
At a temperature of 22.49 °C a 0.49-mm gap exists between the ends of the rods shown. At a later time when the temperature has reached 130.94°C, determine the magnitude of the normal stress (in MPa) in the steel rod if L = 313.69 mm and M = 239 mm. Round off the final answer to four decimal places.

Transcribed Image Text:- L
A
Aluminum
A = 2000 mm²
E = 75 GPa
a = 23 x 10-6/°C
d
M
B
Stainless steel
A = 800 mm²
E = 190 GPa
a = 17.3 x 10-6/°C
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