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Which of the following represents an active transducer?
- a)Strain gauge
- b)Thermistor
- c)LVDT
- d)Thermocouple
Correct answer is option 'D'. Can you explain this answer?
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Which of the following represents an active transducer?a)Strain gauge...
Active transducers are self-generating types; they don’t require external power to work, while passive transducers require external power to work.
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Which of the following represents an active transducer?a)Strain gauge...
Active Transducer: Thermocouple
Thermocouples are active transducers because they require an external power source to operate and produce an output signal. Here's why thermocouples are considered active transducers:
Principle of Operation:
- A thermocouple consists of two different metal wires joined at one end. When there is a temperature difference between the junction and the free ends of the wires, a voltage is generated due to the Seebeck effect.
- This voltage is proportional to the temperature difference and can be measured to determine the temperature.
External Power Source:
- In order to measure the voltage generated by the thermocouple and convert it into a temperature reading, an external power source is required.
- The external power source is used to power the measuring instrument or data acquisition system that reads the voltage output of the thermocouple.
Output Signal:
- The output signal of a thermocouple is the voltage generated at the junction of the two different metal wires.
- This voltage signal is typically in the millivolt range and needs to be amplified and converted into temperature units by the measuring instrument.
Conclusion:
Thermocouples are active transducers as they rely on an external power source to operate and produce an output signal that can be measured and converted into a temperature reading.
Thermocouples are active transducers because they require an external power source to operate and produce an output signal. Here's why thermocouples are considered active transducers:
Principle of Operation:
- A thermocouple consists of two different metal wires joined at one end. When there is a temperature difference between the junction and the free ends of the wires, a voltage is generated due to the Seebeck effect.
- This voltage is proportional to the temperature difference and can be measured to determine the temperature.
External Power Source:
- In order to measure the voltage generated by the thermocouple and convert it into a temperature reading, an external power source is required.
- The external power source is used to power the measuring instrument or data acquisition system that reads the voltage output of the thermocouple.
Output Signal:
- The output signal of a thermocouple is the voltage generated at the junction of the two different metal wires.
- This voltage signal is typically in the millivolt range and needs to be amplified and converted into temperature units by the measuring instrument.
Conclusion:
Thermocouples are active transducers as they rely on an external power source to operate and produce an output signal that can be measured and converted into a temperature reading.
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Which of the following represents an active transducer?a)Strain gaugeb)Thermistorc)LVDTd)ThermocoupleCorrect answer is option 'D'. Can you explain this answer?
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Which of the following represents an active transducer?a)Strain gaugeb)Thermistorc)LVDTd)ThermocoupleCorrect 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 Which of the following represents an active transducer?a)Strain gaugeb)Thermistorc)LVDTd)ThermocoupleCorrect 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 Which of the following represents an active transducer?a)Strain gaugeb)Thermistorc)LVDTd)ThermocoupleCorrect answer is option 'D'. Can you explain this answer?.
Which of the following represents an active transducer?a)Strain gaugeb)Thermistorc)LVDTd)ThermocoupleCorrect 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 Which of the following represents an active transducer?a)Strain gaugeb)Thermistorc)LVDTd)ThermocoupleCorrect 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 Which of the following represents an active transducer?a)Strain gaugeb)Thermistorc)LVDTd)ThermocoupleCorrect answer is option 'D'. Can you explain this answer?.
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