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a thermistor has mcq

In this example you need to read the graph to find the data needed for the equation. c) zero temperature coefficient Categories Electrical MCQs Tags thermistor Leave a comment Post navigation. d) reaches peak current intermediately The RTD’s non-linearities can be corrected through proper design of resistive bridge networks. A hygrometer is a _____ sensor. Transducer - MCQs with answers Q1. Put Video ID here: https://www.youtube.com/watch?v=sdUUx5FdySs Ex: "sdUUx5FdySs". Please choose suitable Keywords Ex: question, poll. Check the below NCERT MCQ Questions for Class 12 Physics Chapter 3 Current Electricity with Answers Pdf free download. The resistance of a PTC thermistor increases as the temperature increases. A thermistor is a resistance-based temperature sensor and testing its accuracy is the first step toward determining whether the problem lies here, or elsewhere. Participate in the Sanfoundry Certification contest to get free Certificate of Merit. These cookies do not store any personal information. c) electric resistor Thermistors (thermal resistors) change their resistance with temperature, the hotter it gets the lower the resistance. Join our social networks below and stay updated with latest contests, videos, internships and jobs! Please type your username. View Answer, 8. 4. Choose from here the video type. Type the description thoroughly and in details. Vimeo d) under low volume Please choose an appropriate title for the question so it can be answered easily. First off, they are much much cheaper than all the above! According to Sears Parts Direct, it should be located under a small plastic cover. a) Anderson’s bridge 1. D. FET. Multiple choice questions on Thermistor with answers. This set of Electrical Measurements & Measuring Instruments Multiple Choice Questions & Answers (MCQs) focuses on “Thermistor”. This set of Electrical Measurements & Measuring Instruments Multiple Choice Questions & Answers (MCQs) focuses on “Thermistor”. Thermistors have ________ Thermistors ________ 1. switching algebra is also called? d) infinite temperature coefficient Dialymotion Thermocouple. List different type of thermistors. Thermistors are available in two types: PTC (positive temperature coefficient) and NTC (negative temperature coefficient). All Rights Reserved. Sensors MCQ – Top 10 Multiple Choice Questions on Sensors, Tactile Sensor MCQ – Top 5 Multiple Choice Questions on Tactile Sensors, Which of the following is not an analog sensor, Synchronous Generator MCQ Part 1 – Alternator Multiple Choice Questions, Resistance of NTC thermistor increases with increasing temperature, Resistance of PTC thermistor decreases with increasing temperature. a) reaches peak current slowly The plastic cover is attached to the surface of the back wall, sidewall or ceiling. Add a Video to describe the problem better. ANSWER: A. NTC thermistors are small, rugged ceramic semiconductors manufactured from compositions of the oxides of metals, such as manganese, nickel, cobalt, copper, and/or iron. Measurement of Power & Related Parameters, here is complete set of 1000+ Multiple Choice Questions and Answers, Prev - Electrical Measurements Questions and Answers – Resistance Temperature Detector, Next - Electrical Measurements Questions and Answers – Pressure Sensor, Electrical Measurements Questions and Answers – Resistance Temperature Detector, Electrical Measurements Questions and Answers – Pressure Sensor, Electrical & Electronics Engineering Questions and Answers, Electrical Engineering Questions and Answers, Linear Integrated Circuits Questions and Answers, Electrical Machines Questions and Answers, Electronic Devices and Circuits Questions and Answers, Design of Electrical Machines Questions and Answers, Basic Electrical Engineering Questions and Answers, Electrical Measurements Questions and Answers, Electrical Measurements Questions and Answers – Strain Gauge Measurement Technique, Electrical Measurements Questions and Answers – Advantages of Bridge Circuits, Electrical Measurements Questions and Answers – Electronic Multimeter, Electrical Measurements Questions and Answers – Measurement of Low Resistance, Electrical Measurements Questions and Answers – Digital Multimeter, Electrical Measurements Questions and Answers – Basic Electronic Voltmeter, Electrical Measurements Questions and Answers – Megger. B. Forward-biased pin junction diode. Thermistor is a contraction _________ a) positive temperature coefficient View Answer, 2. This website uses cookies for improving your experience and for advertisement purposes. Youtube Define thermistor. a question in a previous exam paper for college. Out of these cookies, the cookies that are categorized as necessary are stored on your browser as they are essential for the working of basic functionalities of the website. A voltmeter is connected across the current path. Negative B. Figure 1: Thermistor resistance changes with temperature. View Answer. MCQ Exam ON : Process Control and Instrumentation . Each NTC thermistor composition or mix, has a specific ratio of metal oxides which defines the thermistor’s physical dimensions, R/T curve and its resistance at 25°C. View Answer, 5. b) laser resistor Although platinum is expensive it can be drawn into fine wires or strips and we only require small amounts for manufacturing RTDs. It is a/an . Resistance Thermometer. To practice all areas of Digital Circuits, here is complete set of 1000+ Multiple Choice Questions and Answers. Thermistor is a type of resistor in which the resistance changes rapidly with small change in temperature. thermistors. The typical size of a thermistor is 0.125mm to 1.5 mm. IF YOU THINK THAT ABOVE POSTED MCQ IS WRONG. Thermistor is a contraction _________ a) thermal resistor b) laser resistor c) electric resistor d) mechanical resistor 2. Thermistors have some benefits over other kinds of temperature sensors such as analog output chips (LM35/TMP36 (https://adafru.it/aK2) ) or digital temperature sensor chips (DS18B20) or thermocouples (https://adafru.it/cl0). b) cannot sense any change in temperature b) negative temperature coefficient Thermistor … View Answer, 3. Sensitivity: The voltage drop across an RTD provides a much larger output than a thermocouple. View Answer, 4. Thermistor follows which law for small variations ________ d) have a positive temperature coefficient of resistance A thermistor is a type of (A) Switch (B) Resistor (C) Battery (D) Power supply. Basic Concepts (Electrical Fundamentals) MCQs With Explanatory Answers. cant find the answer or any suggestions in the notes! Figure 2 shows the response of a NTC thermistor between -40°C and 60°C. Thermistor has a resistance of ________ Variable inductance: transducer is a linear variable differential transformer Variable capacitance: transducer is a parallel plate capacitor with a variable gap Synchros and resolvers: used to measure angular displacement Advantages of LVDT: 5. Also note that the response of this thermistor is not linear. View Answer, 10. This platinum which not only has a high resistivity (more than six times that of copper) but also a high degree of stability and a wide temperature range. 900 J kg-1 °C-1 C. 1350 J kg-1 °C-1 D. 1800 J kg-1 °C-1 MCQ 2: In a laboratory, bunsen burner is used to increase the temperature of lime from 10 °C to 50 °C with the thermal energy of 80000 J. This is the Multiple Choice Questions Part 9 of the Series in Industrial Electronics: Principles and Applications as one of the Electronics Engineering topic. Get notified by email when someone answers this question. c) Hay’s bridge A sensor is a device that takes input from the physical environment. Generally thermistors are fabricated from semiconductors. b) KVL A thermistor has_____? We have provided Current Electricity Class 12 Physics MCQs Questions with Answers to help students understand the concept very well. d) Maxwell’s bridge MCQ in Industrial Electronics Part 10 of the series as Electronics Engineering topic in ECE Board Exam. Facebook c) KCL A. positive temperature coefficient B. negative temperature coefficient C. zero temperature coefficient D. variable temperature coefficient . b) under low pressure Participate in the Sanfoundry Certification contest to get free Certificate of Merit. C. Reverse- biased pin junction diode. A bare 5% thermistor is only 10 cents in bulk. In contrast, the resistance of an NTC thermistor decreases as temperature increases, and this type seems to be the most commonly used thermistor. To practice all areas of Electrical Measurements, here is complete set of 1000+ Multiple Choice Questions and Answers. Lost your password? View Answer, 7. 450 J kg-1 °C-1 B. One Comment to “A thermistor has_____?” Fighter says: 02/12/2018 at 7:43 PM. The term thermistor is a combination of thermal and resistor. The thermistor is a sensor whose resistance varies with temperature and it can be used to sense temperature. a) thermal resistor Please type your E-Mail. Once you find it, release the thermistor cover and pull the thermistor out of … b) Wheatstone’s bridge True. PLEASE COMMENT BELOW WITH CORRECT ANSWER AND ITS DETAIL EXPLANATION. c) sense small changes in temperature a) 250 ῼ to 500 kῼ Thermistor has This category only includes cookies that ensures basic functionalities and security features of the website. Quick Questions. If the thermistor has been at a temperature of 20C for a long time and is suddenly exposed to a temperature of 100C, what will the sensed temperature be after a period equal to 5 time constants? by . We also use third-party cookies that help us analyze and understand how you use this website. A. Boolean algebra B. algebra C. … Sanfoundry Global Education & Learning Series – Electrical Measurements. But opting out of some of these cookies may have an effect on your browsing experience. The temperature range of thermistor when compared to RTD is: The temperature range of the thermistor is smaller as compared to RTD. Question is ⇒ A thermistor has, Options are ⇒ (A) positive temperature coefficient, (B) negative temperature coefficient, (C) zero temperature coefficient, (D) variable temperature coefficient, (E) , Leave your comments or Download question paper. A small change in temperature causes a large change in resistance. So the intermediate reading was done at ambient temperature, according to my AC thermostat it was around 26º (this one only gives integer numbers) . a) sense large changes in temperature A pinoybix mcq, quiz and reviewers. c) 1 ῼ to 1 kῼ Thermistor can be considered as which type of Resistor: The thermistor can be regarded as a resistance thermometer whose resistance is dependent on the temperature. Locate the thermistor in the refrigerator section. Please choose the appropriate section so the question can be searched easily. View Answer, 9. Negative . It is mandatory to procure user consent prior to running these cookies on your website. Q4. At small values of voltage, a thermistor ________ You will receive a link and will create a new password via email. Necessary cookies are absolutely essential for the website to function properly. By asking your question, you agree to the, Thermistor MCQ – Thermistor Multiple Choice Questions with Answers, Which of the following is a practical application of thermistors, Which of the following is correct for thermistors, The temperature range of thermistor is when compared to RTD is, Thermistor can be considered as which type of Resistor. b) False An Arduino sketch does not have the traditional main() function that's generally present in C programs. A thermistor is a solid state device and has larger sensitivity than does an RTD. Put Video ID here: https://www.youtube.com/watch?v=sdUUx5FdySs Ex: "sdUUx5FdySs". Question Title* Since thermistors have a higher resistance than RTDs, the measur-ing current through them may be so low Join our social networks below and stay updated with latest contests, videos, internships and jobs! 3. The main electrical displacement transducers work on the principle of. Instrumentation and Measurement / Thermistor MCQ – Thermistor Multiple Choice Questions with Answers. a) under zero pressure A copper cable has a length of 450 m and a cross-sectional area of 4.0 mm 2. Thermistor: Example. A thermistor is a resistance thermometer whose resistance is dependent on the temperature. a) True A thermistor is similar to an RTD, but a semiconductor material is used instead of a metal. 33. d) mechanical resistor Function of transducer is to convert A. Thermistors are a type of semiconductor, meaning they have greater resistance than conducting materials, but lower resistance than insulating materials. 1) ... Thermistor, which has high temperature co-efficient of resistivity, is used as the sensing element in resistance thermometer. View Answer, 6. Alongside this thermistors are used in industrial electronics. Answer/ Hint Commercially available thermistors have nominal values of 1K, 2K, 10K, 20K, 100K, etc. b) False Its temperature coefficient is A. Please choose an appropriate title for the question so it can be answered easily. Positive C. Zero D. None of these View Answer / Hide Answer. Which of the following is correct for thermistors: Correct answer: 1. Multiple Choice Questions and Answers By Sasmita January 9, 2020 Multiple Choice Questions and Answers on Op-Amp ( Operational Amplifier ) In addition to reading the questions and answers on my site, I would suggest you to check the following, on amazon, as well: d) 100 ῼ to 100 kῼ This value indicates the resistance value at a temperature of 25 o C. Generally, thermistors are limited around 150 °C whereas RTDs can be employed for much higher temperatures. Is this question is a poll? Thermistors are suited for precision temperature measurements. From the figure you can see that thermistors have high sensitivity. Strain gauge is a Variable resistance: transducer is a strain gauge. A semiconductor based temperature transducer has a temperature coefficient of -2500μV/ 0 C. This transducer is indeed a. MCQ Questions for Class 12 Physics with Answers were prepared based on the latest exam pattern. Username* Three important characteristics of thermistors are: 1. the resistance – temperature characteristics, 2. the voltage – current characteristics, 3. the current – time characteristics. Top 10 MCQ Questions on Sensors, and practical applications of different types of sensors. If you want to be doing a poll click here. Any cookies that may not be particularly necessary for the website to function and is used specifically to collect user personal data via analytics, ads, other embedded contents are termed as non-necessary cookies. Tags Save my name, email, and website in this browser for the next time I comment. 30. Contains latest information on sensors as well. Video type Correct Answer. When an RV fridge starts to generate excess frost and turns the milk into popsicles, it is time to check the thermistor. LDRs and Thermistors in Circuits. MCQ 1: Aluminum has the specific heat capacity of A. A. Thermistor. If the resistivity of the copper is 1.72E-8 Ωm, then the resistance of this cable will be: If the resistivity of the copper is 1.72E-8 Ωm, then the resistance of this cable will be: Thermistor material is pressed ________ 1. © 2011-2020 Sanfoundry. Thermistor has low resistance. b) reaches peak current immediately E-Mail* We'll assume you're ok with this, but you can opt-out if you wish. This website uses cookies to improve your experience while you navigate through the website. Thermistor (A) is a non-metallic resistor (B) has positive temperature coefficient (C) is chemically unstable (D) requires cold junction compensation MCQ 164 … On: October 1, 2020 Posted in Instrumentation and Measurement Comments: 0 Views: 289 Thermistor MCQ – Thermistor Multiple Choice Questions with Answers Electric. d) Ohm’s law ... Thermistor. Please enter your email address. b) 50 ῼ to 10 kῼ Video ID Which of the following is a practical application of thermistors: A thermistor finds its application in fire alarm applications, Automotives, and Food handling and processing. c) does not reaches peak current a) True Practice Test: Question Set - 07 1. Change in resistance is measured using a ________ Electrical signal into non electrical quantity ... Thermistor is a transducer. Multiple Choice Questions with Answers on Refrigeration and Air-Conditioning - Set 07. a) Charle’s law Thermistor, which has high temperature co-efficient of resistivity, is used as the sensing element in resistance thermometer. You also have the option to opt-out of these cookies. ... MCQs | Interview Questions ” vikrant baravkar says: May 27, 2020 at 8:43 PM so hard.but interesting. The relationship between a thermistor’s temperature and its resistance is highly dependent upon the materials from which it’s … Thermistors are classified into two types. c) under high pressure MCQs of Boolean Algebra Let's begin with some most important MCs of Boolean Algebra. Semiconductor based sensor. Discuss the significance of your result. A thermistor is a resistance thermometer. These cookies will be stored in your browser only with your consent. By asking your question, you agree to the Terms of Service and Privacy Policy .*. Thermistor is more sensitive than platinum resistance thermometer The resistance of thermistor is solely a function of its absolute temperature whether the source of heat is external or internal Thermistor has linear temperature-resistance relationship Students understand the concept very well resistance than conducting materials, but a semiconductor material is used as sensing. ) Power supply a NTC thermistor between -40°C and 60°C so hard.but interesting negative temperature C..: may 27, 2020 a thermistor has mcq 8:43 PM so hard.but interesting surface of the thermistor is not linear at! Only 10 cents in bulk of -2500μV/ 0 C. this transducer is indeed a,!, 100K, etc Choice Questions & Answers ( MCQs ) focuses on “ thermistor ” Power supply are around! Get free Certificate of Merit time I comment MCQ is WRONG functionalities and security features of the thermistor is device... Thermistors ( thermal resistors ) change their resistance with temperature and it can corrected. / thermistor MCQ – thermistor Multiple Choice Questions & Answers ( MCQs ) focuses “... Opting out of some of these cookies may have an effect on your website the element! Some of these View Answer, 6 gets the lower the resistance option to of! Is not linear is attached to the surface of the following is CORRECT thermistors! Positive C. zero D. None of these cookies is not linear free Certificate of Merit Explanatory Answers running these.. Stay updated a thermistor has mcq latest contests, videos, internships and jobs their resistance with temperature it! Much cheaper than all the ABOVE MCQs with Explanatory Answers exam pattern corrected through proper design resistive... You THINK that ABOVE POSTED MCQ is WRONG - set 07 to help students understand the concept very well contests. 7:43 PM a transducer note that the response of a different types of Sensors networks! Used as the sensing element in resistance thermometer resistive bridge networks Ex ``. Doing a poll click here may be so low Lost your password,... Read the graph to find the data needed for the question can be answered easily although platinum is expensive can. The Terms of Service and Privacy Policy. * signal into non Electrical quantity thermistor. ) True b ) resistor ( c ) Battery ( d ) Power.! ( negative temperature coefficient ) and NTC ( negative temperature coefficient D. temperature. Types: PTC ( positive temperature coefficient C. zero temperature coefficient ) and NTC ( negative temperature B.... Into popsicles, it should be located under a small change in temperature:. Than all the ABOVE features of the website ” vikrant baravkar says: may,... An RV fridge starts to generate excess frost and turns the milk into popsicles, it is to!, you agree to the Terms of Service and Privacy Policy..! Element in resistance thermometer a large change in temperature causes a large change in temperature causes large. You THINK that ABOVE POSTED MCQ is WRONG greater resistance than conducting materials, but semiconductor... Electrical Fundamentals ) MCQs with Explanatory Answers prepared based on the temperature range of the is. For advertisement purposes back wall, sidewall or ceiling Direct, it is to! It is mandatory to procure user consent prior to running these cookies... thermistor, has. To RTD platinum is expensive it can be used to sense temperature be corrected through proper design of resistive networks. In resistance thermometer whose resistance is dependent on the latest exam pattern View! Than a thermocouple we 'll assume you 're ok with this, but a semiconductor material is used of.: https: //www.youtube.com/watch? v=sdUUx5FdySs Ex: `` sdUUx5FdySs '' 5 thermistor. To running these cookies the term thermistor is a solid state device and larger... 2020 at 8:43 PM so hard.but interesting a type of ( a ) Switch b. Cable has a length of 450 m and a cross-sectional area of 4.0 2. A length of 450 m and a cross-sectional area of 4.0 mm 2 MCQ Questions for Class 12 MCQs. Note that the response of this thermistor is a transducer and turns the milk popsicles... Poll click here: PTC ( positive temperature coefficient ) and NTC ( negative temperature coefficient and... ) True b ) False View Answer / Hide Answer be searched easily much temperatures. The Terms of Service and Privacy Policy. * thermistors a thermistor has mcq CORRECT Answer ITS. Sensor whose resistance is dependent on the latest exam pattern paper for college and resistor sdUUx5FdySs. Improve your experience and for advertisement purposes RTD is: the temperature range of the website in browser! 10 MCQ Questions on Sensors, and practical applications of different types Sensors! Answer: 1 email when someone Answers this question cookies are absolutely essential for the next time I comment a... Negative temperature coefficient D. variable temperature coefficient ) and NTC ( negative temperature coefficient B. negative coefficient... And Measurement / thermistor MCQ – thermistor Multiple Choice Questions and Answers Concepts Electrical! Measurements, here is complete set of Electrical Measurements & Measuring Instruments Multiple Choice Questions & (. Answers on Refrigeration and Air-Conditioning - set 07 in bulk through them may be so low Lost password. Than conducting materials, but a semiconductor material is used instead of a PTC increases. Be located under a small change in resistance thermometer opt-out of these cookies be. Small plastic cover Sensors, and website in this example you need to read the graph to the..., 2K, 10K, 20K, 100K, etc we also use third-party cookies ensures! ” vikrant baravkar says: may 27, 2020 at 8:43 PM so hard.but.! ) Switch ( b ) laser resistor c ) electric resistor d ) mechanical resistor 2 CORRECT and. … MCQ exam on: Process Control and instrumentation C. this transducer indeed! Lower the resistance but a semiconductor based temperature transducer has a temperature coefficient B. negative coefficient. Fighter says: 02/12/2018 at 7:43 PM... thermistor is a transducer change resistance. The hotter it gets the lower the resistance temperature range of thermistor when compared to RTD higher... Cookies to improve your experience while you navigate through the website lower resistance than insulating materials Leave a comment navigation... For manufacturing RTDs to check the thermistor you agree to the surface the! May have an effect on your website browser only with your consent Battery ( d ) Power supply check. ) MCQs with Explanatory Answers of 1K, 2K, 10K, 20K, 100K, etc types of.. Global Education & Learning Series – Electrical Measurements, here is complete set of Measurements... Type Youtube Vimeo Dialymotion Facebook choose from here the video type Youtube Vimeo Facebook! Temperature range of the thermistor understand how you use a thermistor has mcq website much higher temperatures, videos, internships jobs. A thermistor has_____? ” Fighter says: 02/12/2018 at 7:43 PM this, but you can opt-out if THINK. Think that ABOVE POSTED MCQ is WRONG here the video type Youtube Vimeo Dialymotion Facebook choose from the... Increases as the temperature range of thermistor when compared to RTD excess frost and turns the milk popsicles! Internships and jobs: Process Control and instrumentation 're ok with this, but a semiconductor is! Thermal resistors ) change their resistance with temperature and it can be employed much! - set 07, 10K, 20K, 100K, etc a thermistor has mcq located under a change... Parts Direct, it should be located under a small plastic cover is attached to Terms! Doing a poll click here the next time I comment is smaller as compared RTD! Or ceiling a solid state device and has larger sensitivity than does an,! To function properly with latest contests, videos a thermistor has mcq internships and jobs choose suitable Ex... Appropriate section so the question can be searched easily any suggestions in a thermistor has mcq Sanfoundry Certification contest to free. Measuring Instruments Multiple Choice Questions and Answers, it is time to check the thermistor meaning they have resistance. Interview Questions ” vikrant baravkar says: 02/12/2018 at 7:43 PM – thermistor Multiple Choice Questions Answers... A. positive temperature coefficient B. negative temperature coefficient C. zero temperature coefficient C. zero D. None of these.. Functionalities and security features of the website starts to generate excess frost and turns milk. Mandatory to procure user consent prior to running these cookies will be stored in your browser only with your.. Ntc ( negative temperature coefficient B. negative temperature coefficient D. variable temperature coefficient procure consent! Coefficient C. zero D. None of these cookies uses cookies for improving your experience and for advertisement.! 02/12/2018 at 7:43 PM ) mechanical resistor 2 wall, sidewall or ceiling high temperature co-efficient of resistivity is! ) False View Answer / Hide Answer material is used as the sensing element in resistance thermometer whose is... We 'll assume you 're ok with this, but a semiconductor material is used the. ’ s non-linearities can be answered easily v=sdUUx5FdySs Ex: `` sdUUx5FdySs '' ID... Resistors ) change their resistance with temperature, the hotter it gets the lower the resistance changes rapidly with change!

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