At 0 °C, a sample of copper has a resistance of 4 mΩ and its tempera – McqOptions

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1.	At 0 °C, a sample of copper has a resistance of 4 mΩ and its temperature coefficient of resistance is 1/234.5 per °C. Find the value of the temperature coefficient of its resistance at 70 °C.
A.	0.003284 per °C
B.	0.003434 per °C
C.	0.003248 per °C
D.	0.003428 per °C
Answer» B. 0.003434 per °C

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