GATE IN 2025 | Question: 48

Question

The resistance of a thermistor is measured to be $2.25 \: \mathrm{k} \Omega$ at $30^{\circ} \mathrm{C}$ and $1.17 \: \mathrm{k} \Omega$ at $60^{\circ} \mathrm{C}$. Its material constant $\beta$ is ___________ $K$ (rounded off to two decimal places).