A Certain Material Is in a Room at 27°C

question 69

Multiple Choice

A certain material is in a room at 27°C.If the absolute temperature (K) of the material is doubled,its resistance triples.(Water freezes at 273 K. ) What is the value for α,the temperature coefficient of resistivity?

• A) 0.074 (°C)−¹
• B) 0.01 (°C)−¹
• C) 0.0067 (°C)−¹
• D) 1.5 (°C)−¹
• E) ​0.037 (°C)−¹

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