A wire has a resistance of 3.1 at 30° C and a resistance 4.5 at 100 °C. The temperature…
Physics · Class 12 · CBSE — Current Electricity
A wire has a resistance of 3.1 \(\Omega\) at 30° C and a resistance 4.5 \(\Omega\) at 100 °C. The temperature coefficient of resistance of the wire is:
- 0.0064 °C-1
- 0.0025 °C-1
- 0.0034 °C-1
- 0.0012 °C-1
Answer
(C) 0.0034 °C -1
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