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For a copper-constantan (Type T) thermocouple, the junction potential E (in V) at C is given
by E = 38.74θ + 3.3 x 10– 2 θ 2 + 2.07 x 10– 4 θ 3 – 2.2 x 10– 6 θ 4 +higherorderr terms, assuming the cold junction compensation. The sensitivity of thermocouple at 100C is approximately
  • a)
    45.34 μ V/C
  • b)
    42.75 μ V/C
  • c)
    38.74 μ V/C
  • d)
    0.06 μ V/C
Correct answer is option 'B'. Can you explain this answer?
Verified Answer
For a copper-constantan (Type T) thermocouple, the junction potential ...
E = 38.74θ + 3.3 x 10– 2 θ 2 + 2.07 x 10– 4 θ 3 – 2.2 x 10– 6 θ 4 + higher order terms
S = dE/dθ​ = 38.74 + 6.6 x 10-2 x 100 + 6.21 x 10-3 x 1002 - 8.8 x 10-6 x 1003 + …………….
= [42.75 + Higher Terms] μ V/C
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Most Upvoted Answer
For a copper-constantan (Type T) thermocouple, the junction potential ...
The information you have provided is incomplete. The junction potential of a thermocouple depends on the temperature difference between the two junctions, not just the temperature at one junction. Additionally, the units of the junction potential should be in millivolts (mV) rather than volts (V). Can you please provide additional information or clarify your question?
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Community Answer
For a copper-constantan (Type T) thermocouple, the junction potential ...
See the unit dimension and then try.
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For a copper-constantan (Type T) thermocouple, the junction potential E (in V) at C is givenby E = 38.74θ + 3.3 x 10– 2 θ 2 + 2.07 x 10– 4 θ 3 – 2.2 x 10– 6 θ 4 +higherorderr terms, assuming the cold junction compensation. The sensitivity of thermocouple at 100C is approximatelya)45.34 μ V/Cb)42.75 μ V/Cc)38.74 μ V/Cd)0.06 μ V/CCorrect answer is option 'B'. Can you explain this answer?
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For a copper-constantan (Type T) thermocouple, the junction potential E (in V) at C is givenby E = 38.74θ + 3.3 x 10– 2 θ 2 + 2.07 x 10– 4 θ 3 – 2.2 x 10– 6 θ 4 +higherorderr terms, assuming the cold junction compensation. The sensitivity of thermocouple at 100C is approximatelya)45.34 μ V/Cb)42.75 μ V/Cc)38.74 μ V/Cd)0.06 μ V/CCorrect answer is option 'B'. Can you explain this answer? for GATE 2024 is part of GATE preparation. The Question and answers have been prepared according to the GATE exam syllabus. Information about For a copper-constantan (Type T) thermocouple, the junction potential E (in V) at C is givenby E = 38.74θ + 3.3 x 10– 2 θ 2 + 2.07 x 10– 4 θ 3 – 2.2 x 10– 6 θ 4 +higherorderr terms, assuming the cold junction compensation. The sensitivity of thermocouple at 100C is approximatelya)45.34 μ V/Cb)42.75 μ V/Cc)38.74 μ V/Cd)0.06 μ V/CCorrect answer is option 'B'. Can you explain this answer? covers all topics & solutions for GATE 2024 Exam. Find important definitions, questions, meanings, examples, exercises and tests below for For a copper-constantan (Type T) thermocouple, the junction potential E (in V) at C is givenby E = 38.74θ + 3.3 x 10– 2 θ 2 + 2.07 x 10– 4 θ 3 – 2.2 x 10– 6 θ 4 +higherorderr terms, assuming the cold junction compensation. The sensitivity of thermocouple at 100C is approximatelya)45.34 μ V/Cb)42.75 μ V/Cc)38.74 μ V/Cd)0.06 μ V/CCorrect answer is option 'B'. Can you explain this answer?.
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