At 1000°C the resistance of a wire is found to be four times its resistance at 0°C. The…
Physics · Class 12 · CBSE — Current Electricity
At 1000°C the resistance of a wire is found to be four times its resistance at 0°C. The temperature coefficient of resistance of the material of the wire will be:
- \(\frac {0.004} {{^\circ} \mathrm{C}}\)
- \(\frac {0.002} {{^\circ} \mathrm{C}}\)
- \(\frac {0.003} {{^\circ} \mathrm{C}}\)
- \(\frac {0.001} {{^\circ} \mathrm{C}}\)
Answer
(A) 0.004 ^ C
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