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aryanyede43 7 views 12 slides May 09, 2024
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About This Presentation

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**Conclusion: TVS - Driving Towards a Sustainable Future**

In the competitive landscape of the automotive industry, TVS has emerged as a formidable player, leveraging its strengths, addressing its weaknesses, capitalizing on opportunities, and mitigating threats to drive sustainable growth and...


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DHOTE BANDHU SCIENCE COLLEGE, GONDIA

Practical Seminar Submitted By 2 Khushbu A. Kuthe Kaveri Katre Krushika Bopcha Khamag Chodre

Aim To Determine The Temperature Coefficient Resistance of Platinum using Platinum Resistance Thermometer. 3

Apparatus Carry faster’s Bridge Platinum Resistance Thermometer, Cell, Plug Key, Fractional Resistant Box, Thermometer and Connecting Wires. 4

Formula 5

6 The temperature coefficient of resistance ( α) is given by the formula : α = (1/ R)(∆R/∆T) Where: • α is the temperature coefficient of resistance, • R is the resistance at a reference temperature, • ∆R is the change in resistance, • ∆T is the change in temperature.

Diagram 7

8 Calculations:- Substituting the values of R₁, R₂, t₁, & t₂ ………….. in following formula we get α- α = R₂ - R₁ R₁ t₂ - R₂ t₁

9 Result :- Temperature coefficient of platinum is found to be ……… per° CStandard value of temperature coefficient of platinum = 3.7 x / β-³ ° C

Observation Table :- For Determining R₁ at t₁°C = Room Temperature SR NO Resistance in R • β ( X) Ω Null Point Position l₂ - I₁ R₁ = X-K (l₁, l₂) Mean R • β in Left Gap ( l₁ ) R • β in Right Gap ( l₂ ) rnm R₁

Observation Table 2 :- For Determining R₂ at t₂°C (Nigher Temp) = SR NO Resistance in R • β ( X) Ω Null Point Position l₂ - I₁ R₂ = X-K (l₂ - I₁) Mean R • β in Left Gap ( l₁ ) R • β in Right Gap ( l₂ ) R₂

Thank you
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