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1. |
At 0° C, a copper sample has a resistance of 4 mΩ and its resistance has a temperature coefficient of 1/234.5 per °C. Find its resistance at 70 °C. |
A. | 4.52 mΩ |
B. | 5.19 mΩ |
C. | 4.22 mΩ |
D. | 5.55 mΩ |
Answer» C. 4.22 mΩ | |