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The table provides the thermo-emf sensitivity of five materials concerning platinum around 273 K (2003)
Q. Two copper-constantan thermocouples are connected such that the two constantan wires are joined together. The two copper wires are connected to the input of a low noise chopper stabilized differential amplifier having a gain of 1000. One of the thermocouple junctions is immersed in a flask containing ice and water in equal proportion. The other thermocouple is at a temperature T. If the output of the amplifier is 2.050 V, the temperature T is
  • a)
    205°C
  • b)
    102.5°C
  • c)
    51.25°C
  • d)
    50°C
Correct answer is option 'D'. Can you explain this answer?
Verified Answer
The table provides the thermo-emf sensitivity of five materials conce...
For copper-constants, sensitivity = 41 V/k
then, emf = 41 (T - 0) x 10-6 volt x gain
Now, 41 T x 10-6 x 1000 = 2.050
or T = 50°C
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The table provides the thermo-emf sensitivity of five materials concerning platinum around 273 K (2003)Q. Two copper-constantan thermocouples are connected such that the two constantan wires are joined together. The two copper wires are connected to the input of a low noise chopper stabilized differential amplifier having a gain of 1000. One of the thermocouple junctions is immersed in a flask containing ice and water in equal proportion. The other thermocouple is at a temperature T. If the output of the amplifier is 2.050 V, the temperature T isa)205°Cb)102.5°Cc)51.25°Cd)50°CCorrect answer is option 'D'. Can you explain this answer?
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The table provides the thermo-emf sensitivity of five materials concerning platinum around 273 K (2003)Q. Two copper-constantan thermocouples are connected such that the two constantan wires are joined together. The two copper wires are connected to the input of a low noise chopper stabilized differential amplifier having a gain of 1000. One of the thermocouple junctions is immersed in a flask containing ice and water in equal proportion. The other thermocouple is at a temperature T. If the output of the amplifier is 2.050 V, the temperature T isa)205°Cb)102.5°Cc)51.25°Cd)50°CCorrect answer is option 'D'. 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 The table provides the thermo-emf sensitivity of five materials concerning platinum around 273 K (2003)Q. Two copper-constantan thermocouples are connected such that the two constantan wires are joined together. The two copper wires are connected to the input of a low noise chopper stabilized differential amplifier having a gain of 1000. One of the thermocouple junctions is immersed in a flask containing ice and water in equal proportion. The other thermocouple is at a temperature T. If the output of the amplifier is 2.050 V, the temperature T isa)205°Cb)102.5°Cc)51.25°Cd)50°CCorrect answer is option 'D'. Can you explain this answer? covers all topics & solutions for GATE 2024 Exam. Find important definitions, questions, meanings, examples, exercises and tests below for The table provides the thermo-emf sensitivity of five materials concerning platinum around 273 K (2003)Q. Two copper-constantan thermocouples are connected such that the two constantan wires are joined together. The two copper wires are connected to the input of a low noise chopper stabilized differential amplifier having a gain of 1000. One of the thermocouple junctions is immersed in a flask containing ice and water in equal proportion. The other thermocouple is at a temperature T. If the output of the amplifier is 2.050 V, the temperature T isa)205°Cb)102.5°Cc)51.25°Cd)50°CCorrect answer is option 'D'. Can you explain this answer?.
Solutions for The table provides the thermo-emf sensitivity of five materials concerning platinum around 273 K (2003)Q. Two copper-constantan thermocouples are connected such that the two constantan wires are joined together. The two copper wires are connected to the input of a low noise chopper stabilized differential amplifier having a gain of 1000. One of the thermocouple junctions is immersed in a flask containing ice and water in equal proportion. The other thermocouple is at a temperature T. If the output of the amplifier is 2.050 V, the temperature T isa)205°Cb)102.5°Cc)51.25°Cd)50°CCorrect answer is option 'D'. Can you explain this answer? in English & in Hindi are available as part of our courses for GATE. Download more important topics, notes, lectures and mock test series for GATE Exam by signing up for free.
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