How is TCR calculated?
GeneralClass 12AllAnswered 27 Mar 2026
Answer
TCR (Temperature Coefficient of Resistance) is calculated using: TCR = (R₂ - R₁) / [R₁(T₂ - T₁)], where R₁ and R₂ are resistances at temperatures T₁ and T₂ respectively. It's expressed in per degree Celsius (1/°C) or ppm/°C. TCR indicates how much a material's electrical resistance changes with temperature, which is crucial for designing temperature sensors and precision circuits.
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