Physics · Current Electricity
Which among the following is the correct equation for resistance (Rt) at a given temperature from 0°C?
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 1Rt = R0(1 + αT), where R0 = Resistance at 0°C, α = Temperature Coefficient, T = Temperature of given resistance, and Rt = Resistance at given temperature✓
- 2Rt = T(1 ± αR0), where R0 = Resistance at 0°C, α = Temperature Coefficient, T = Temperature of given resistance, and Rt = Resistance at given temperature
- 3Rt = R0(1 ± T), where R0 = Resistance at 0°C, T = Temperature of given resistance, and Rt = Resistance at given temperature
- 4R0 = Rt(1 ± αT), where R0 = Resistance at 0°C, α = Temperature Coefficient, T = Temperature of given resistance, and Rt = Resistance at given temperature
Correct answer
Rt = R0(1 + αT), where R0 = Resistance at 0°C, α = Temperature Coefficient, T = Temperature of given resistance, and Rt = Resistance at given temperature
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