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प्रश्न
The following four wires are made of the same material. Which of these will have the largest extension when the same tension is applied?
विकल्प
length = 200 cm, diameter = 0.5 mm
length = 200 cm, diameter = 1 mm
length = 200 cm, diameter = 2 mm
length = 200 cm, diameter = 3 m
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उत्तर
length = 200 cm, diameter = 0.5 mm
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