Physics, asked by samy3101, 1 year ago

A wire has resistance 15 ohm at 10°c and 18 ohm at 400°c finally temperature coefficent of its resistance ?

Answers

Answered by Abhishek131
0
It is same as linear expantion
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Answered by JunaidMirza
2
α = ΔR / (R ΔT)
= (18 - 15) Ω / [15 Ω × (400 - 10) °C[]
= 5.128 × 10⁻⁴ /°C

Coefficient of its resistance (α) is 5.128 × 10⁻⁴ /°C
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