Heat and Thermal ExpansionHard
Question
An iron wire (original length 1.0 m and cross-sectional area 10-6 m2) and a copper wire (original length 1.0 m and cross-sectional area 10-5 m2) are loaded as shown in the figure. Find the ratio of the extensions produced in the iron and copper wires. Given that Yiron = 2 × 1011 N/m2 and Ycopper = 1011 N/m2 and g = 10 m/s2
Options
A.2.5
B.5.0
C.7.5
D.1
× 10 = 7.5More Heat and Thermal Expansion Questions
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