Question

What is the relationship between Resistance to temperature

Answer 1

the ans is Thus when temperature goes up, resistance goes up. For some materials, resistivity is a linear function of temperature. The resistivity of a conductor increases with temperature. In the case of copper, the relationship between resistivity and temperature is approximately linear over a wide range of temperatures.
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Answer 2

when temperature of a conductor increases, then thermal velocity and randomness of electrons increases and collision frequency increases, due to this- Resistance and Resistivity of a conductor increases with temperature

$r = {r}^{o}(1 + \alpha \: t)$
where
${r}^{o}$
is resistance of conductor at 0°C
and, r is resistance at t°C