Heat and Thermal ExpansionHard
Question
The following four wires are made of the same material. Which of these will have the largest extension when the same tension is applied ?
Options
A.length = 300 cm, diameter = 3 mm
B.length = 50 cm, diameter = 0.5 mm
C.length = 100 cm, diameter = 1mm
D.length = 200 cm, diameter = 2 mm
Solution

Which is maximum
for length = 50 cm, diameter = 0.5 mm
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