The resistance of a resistance thermometer has values $2.71$ and $3.70\,\,ohm$ at ${10^0}C$ and ${100^0}C$. The temperature at which the resistance is $3.26\,\,ohm$ is

NEET UG PHYSICS MCQ: THERMAL PROPERTIES OF MATTER

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Application +4 | -1

The resistance of a resistance thermometer has values

2.71

and

3.70\,\,ohm

{10^0}C

and

{100^0}C

. The temperature at which the resistance is

3.26\,\,ohm

View answer and explanation

Correct option: B

{50^0}C

Option B (

{50^0}C

) is correct because the temperature is calculated using the linear relationship between resistance and temperature.

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60 \mathrm{~cm} \times 50 \mathrm{~cm} \times 20 \mathrm{~cm}

1 \mathrm{~cm}

0^{\circ} \mathrm{C}

40^{\circ} \mathrm{C}

3.4 \times 10^5 \mathrm{~J} \mathrm{~kg}^{-1}

\left. {0.05{\text{W}}{{\text{m}}^{ - 1}}^\circ {{\text{C}}^{ - 1}}} \right)

2 \times 10^5 \mathrm{~J} / \mathrm{sm}^2

127^{\circ} \mathrm{C}

32 \times 10^5 \mathrm{~J} / \mathrm{s}-\mathrm{m}^2

\sigma

+ \frac{1}{2}