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प्रश्न
Which change will NOT affect the coefficient of thermal conductivity k of a given homogeneous solid?
विकल्प
Changing the length
Changing the material
Changing the cross-sectional area
Increasing the temperature
MCQ
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उत्तर
Changing the length
Explanation:
Thermal conductivity depends on the material and temperature, but not on the size or shape of the object.
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