Direct-current circuits

Dependence resistance on temperature

resistance of conductor by temperature t

R_t =

resistance of the same conductor by temperature 20°C

R₂₀ =

temperature coefficient of resistance

α =

1/K

		x
1/K

temperature

t =

°C

		x
°C

1. Define values of all variables, besides sought quantity
2. Change units if necessary
3. Click "Calculate"