(B) The total thermoelectric $emf$ generated between $0 \, ^oC$ and $100 \, ^oC$ is the sum of the $emf$ generated in the intermediate temperature int

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(B) The total thermoelectric $emf$ generated between $0 \, ^oC$ and $100 \, ^oC$ is the sum of the $emf$ generated in the intermediate temperature intervals.Given:$e_0^{100} = 200 \, \mu V$$e_0^{32} = 64 \, \mu V$$e_{32}^{70} = 76 \, \mu V$Using the additive property of thermoelectric $emf$:$e_0^{100} = e_0^{32} + e_{32}^{70} + e_{70}^{100}$Substituting the given values:$200 = 64 + 76 + e_{70}^{100}$$200 = 140 + e_{70}^{100}$$e_{70}^{100} = 200 - 140 = 60 \, \mu V$Therefore,the $emf$ generated between $70 \, ^oC$ and $100 \, ^oC$ is $60 \, \mu V$.

Class 11 Physics 10-1.Thermometry, Thermal Expansion and Calorimetry Mix Examples-Thermometry, Thermal Expansion and Calorimetry

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$A$ thermoelectric emf of $200 \, \mu V$ is generated between $0 \, ^oC$ and $100 \, ^oC$. The emf generated between $(0 \, ^oC - 32 \, ^oC)$ and $(32 \, ^oC - 70 \, ^oC)$ are $64 \, \mu V$ and $76 \, \mu V$ respectively. What is the thermo $emf$ generated between $(70 \, ^oC - 100 \, ^oC)$ in $\mu V$?

A
$65$
B
$60$
C
$55$
D
$50$

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10-1.Thermometry, Thermal Expansion and Calorimetry

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Mix Examples-Thermometry, Thermal Expansion and Calorimetry

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The freezing point of a liquid decreases when pressure is increased,if the liquid:

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Liquid oxygen at $50 \, K$ is heated to $300 \, K$ at a constant pressure of $1 \, atm$. If the rate of heating is constant,which of the following graphs represents the variation of temperature with time?

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Two different metal wires are joined to form a thermocouple. One junction is kept at a constant temperature,while the other junction is heated to a higher temperature. Which graph represents the variation of thermo $e.m.f.$ $(E)$ with temperature $(t)$?

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The freezing point of a liquid decreases when pressure is increased,if the liquid:

Liquid oxygen at $50 \, K$ is heated to $300 \, K$ at a constant pressure of $1 \, atm$. If the rate of heating is constant,which of the following graphs represents the variation of temperature with time?

Two different metal wires are joined to form a thermocouple. One junction is kept at a constant temperature,while the other junction is heated to a higher temperature. Which graph represents the variation of thermo $e.m.f.$ $(E)$ with temperature $(t)$?

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