Thermistor is a contraction _________ View Answer. 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: To practice all areas of Digital Circuits, here is complete set of 1000+ Multiple Choice Questions and Answers. ... Thermistor. Thermistor follows which law for small variations ________ Please choose an appropriate title for the question so it can be answered easily. On: October 1, 2020 Posted in Instrumentation and Measurement Comments: 0 Views: 289 Thermistor MCQ – Thermistor Multiple Choice Questions with Answers Electric. 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: Thermistors (thermal resistors) change their resistance with temperature, the hotter it gets the lower the resistance. 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. 1. By asking your question, you agree to the Terms of Service and Privacy Policy .*. Add a Video to describe the problem better. Practice Test: Question Set - 07 1. The RTD’s non-linearities can be corrected through proper design of resistive bridge networks. d) have a positive temperature coefficient of resistance Facebook Thermistor material is pressed ________ Instrumentation and Measurement / Thermistor MCQ – Thermistor Multiple Choice Questions with Answers. This category only includes cookies that ensures basic functionalities and security features of the website. Necessary cookies are absolutely essential for the website to function properly. Thermistor has Save my name, email, and website in this browser for the next time I comment. A small change in temperature causes a large change in resistance. A semiconductor based temperature transducer has a temperature coefficient of -2500μV/ 0 C. This transducer is indeed a. Participate in the Sanfoundry Certification contest to get free Certificate of Merit. © 2011-2020 Sanfoundry. B. Forward-biased pin junction diode. 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. Negative . Please type your username. View Answer, 7. The thermistor is a sensor whose resistance varies with temperature and it can be used to sense temperature. View Answer, 2. a) reaches peak current slowly a) Charle’s law View Answer, 8. Resistance Thermometer. This set of Electrical Measurements & Measuring Instruments Multiple Choice Questions & Answers (MCQs) focuses on “Thermistor”. 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). Choose from here the video type. Thermistors are classified into two types. Transducer - MCQs with answers Q1. d) mechanical resistor View Answer, 5. These cookies will be stored in your browser only with your consent. C. Reverse- biased pin junction diode. Participate in the Sanfoundry Certification contest to get free Certificate of Merit. Thermistor has a resistance of ________ This website uses cookies to improve your experience while you navigate through the website. 30. A bare 5% thermistor is only 10 cents in bulk. From the figure you can see that thermistors have high sensitivity. The relationship between a thermistor’s temperature and its resistance is highly dependent upon the materials from which it’s … 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) True Multiple choice questions on Thermistor with answers. b) False Check the below NCERT MCQ Questions for Class 12 Physics Chapter 3 Current Electricity with Answers Pdf free download. 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: Multiple Choice Questions with Answers on Refrigeration and Air-Conditioning - Set 07. 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. a) sense large changes in temperature Tags ... MCQs | Interview Questions ” vikrant baravkar says: May 27, 2020 at 8:43 PM so hard.but interesting. Discuss the significance of your result. 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 Also note that the response of this thermistor is not linear. Although platinum is expensive it can be drawn into fine wires or strips and we only require small amounts for manufacturing RTDs. Thermistors are suited for precision temperature measurements. b) False D. FET. c) KCL In this example you need to read the graph to find the data needed for the equation. 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. The plastic cover is attached to the surface of the back wall, sidewall or ceiling. b) laser resistor First off, they are much much cheaper than all the above! Sanfoundry Global Education & Learning Series – Electrical Measurements. MCQs of Boolean Algebra Let's begin with some most important MCs of Boolean Algebra. Strain gauge is a b) 50 ῼ to 10 kῼ Thermistor (A) is a non-metallic resistor (B) has positive temperature coefficient (C) is chemically unstable (D) requires cold junction compensation MCQ 164 … Once you find it, release the thermistor cover and pull the thermistor out of … d) under low volume Semiconductor based sensor. Its temperature coefficient is A. View Answer, 9. d) reaches peak current intermediately E-Mail* b) Wheatstone’s bridge A thermistor is a type of (A) Switch (B) Resistor (C) Battery (D) Power supply. Username* Which of the following is correct for thermistors: Correct answer: 1. Top 10 MCQ Questions on Sensors, and practical applications of different types of sensors. Alongside this thermistors are used in industrial electronics. Q4. View Answer, 4. d) Ohm’s law Commercially available thermistors have nominal values of 1K, 2K, 10K, 20K, 100K, etc. Please type your E-Mail. In contrast, the resistance of an NTC thermistor decreases as temperature increases, and this type seems to be the most commonly used thermistor. View Answer, 3. ANSWER: A. Please choose an appropriate title for the question so it can be answered easily. 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. So the intermediate reading was done at ambient temperature, according to my AC thermostat it was around 26º (this one only gives integer numbers) . Put Video ID here: https://www.youtube.com/watch?v=sdUUx5FdySs Ex: "sdUUx5FdySs". a) Anderson’s bridge Contains latest information on sensors as well. Figure 1: Thermistor resistance changes with temperature. Join our social networks below and stay updated with latest contests, videos, internships and jobs! If you want to be doing a poll click here. We'll assume you're ok with this, but you can opt-out if you wish. A pinoybix mcq, quiz and reviewers. cant find the answer or any suggestions in the notes! At small values of voltage, a thermistor ________ View Answer, 10. Positive C. Zero D. None of these View Answer / Hide Answer. a) 250 ῼ to 500 kῼ A thermistor has_____? Dialymotion The temperature range of thermistor when compared to RTD is: The temperature range of the thermistor is smaller as compared to RTD. a) positive temperature coefficient The resistance of a PTC thermistor increases as the temperature increases. Figure 2 shows the response of a NTC thermistor between -40°C and 60°C. Join our social networks below and stay updated with latest contests, videos, internships and jobs! Correct Answer. Thermistor: Example. A hygrometer is a _____ sensor. Electrical signal into non electrical quantity ... Thermistor is a transducer. Vimeo It is a/an . a) True Define thermistor. d) 100 ῼ to 100 kῼ 33. Question Title* a question in a previous exam paper for college. MCQ Questions for Class 12 Physics with Answers were prepared based on the latest exam pattern. A sensor is a device that takes input from the physical environment. Sensitivity: The voltage drop across an RTD provides a much larger output than a thermocouple. A. Thermistor. b) negative temperature coefficient Three important characteristics of thermistors are: 1. the resistance – temperature characteristics, 2. the voltage – current characteristics, 3. the current – time characteristics. It is mandatory to procure user consent prior to running these cookies on your website. Quick Questions. You will receive a link and will create a new password via email. Get notified by email when someone answers this question. The main electrical displacement transducers work on the principle of. These cookies do not store any personal information. We also use third-party cookies that help us analyze and understand how you use this website. According to Sears Parts Direct, it should be located under a small plastic cover. a) thermal resistor 5. 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. b) under low pressure MCQ 1: Aluminum has the specific heat capacity of A. Thermistors ________ Function of transducer is to convert A. d) infinite temperature coefficient This is the Multiple Choice Questions Part 9 of the Series in Industrial Electronics: Principles and Applications as one of the Electronics Engineering topic. But opting out of some of these cookies may have an effect on your browsing experience. Thermistors are a type of semiconductor, meaning they have greater resistance than conducting materials, but lower resistance than insulating materials. A thermistor is a solid state device and has larger sensitivity than does an RTD. MCQ in Industrial Electronics Part 10 of the series as Electronics Engineering topic in ECE Board Exam. a) under zero pressure List different type of thermistors. This website uses cookies for improving your experience and for advertisement purposes. Thermistor is a contraction _________ a) thermal resistor b) laser resistor c) electric resistor d) mechanical resistor 2. The term thermistor is a combination of thermal and resistor. We have provided Current Electricity Class 12 Physics MCQs Questions with Answers to help students understand the concept very well. by . A thermistor is a resistance thermometer. Categories Electrical MCQs Tags thermistor Leave a comment Post navigation. Thermistors have ________ c) zero temperature coefficient Thermistors are available in two types: PTC (positive temperature coefficient) and NTC (negative temperature coefficient). Thermistor has low resistance. c) 1 ῼ to 1 kῼ A thermistor is a resistance thermometer whose resistance is dependent on the temperature. 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) KVL Change in resistance is measured using a ________ Please enter your email address. 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. ) change their resistance with temperature and it can be employed for much temperatures! Thermistor between -40°C and 60°C: 02/12/2018 at 7:43 PM PTC thermistor increases the... Dependent on the latest exam pattern free Certificate of Merit as the sensing element in resistance thermometer appropriate. We also use third-party cookies that help us analyze and understand how you use website... This thermistor is a solid state device and has larger sensitivity than does an,! A large change in temperature causes a large change in resistance thermometer 10K,,. Ok with this, but a thermistor has mcq can opt-out if you wish //www.youtube.com/watch? v=sdUUx5FdySs Ex: `` ''.: https: //www.youtube.com/watch? v=sdUUx5FdySs Ex: `` sdUUx5FdySs '' will create a new password via email be easily... Choose an appropriate title for the question so it can be answered easily small! Through proper design of resistive bridge networks negative temperature coefficient D. variable a thermistor has mcq! Resistor b ) laser resistor c ) Battery ( d ) mechanical resistor 2 and Answers Instruments Multiple Questions... 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Poll click here 'll assume you 're ok with this, but lower resistance than insulating materials resistors ) their..., which has high temperature co-efficient of resistivity, is used a thermistor has mcq of metal... Your consent 0 C. this transducer is indeed a and understand how you use this website a of... Non Electrical quantity... thermistor is a combination of thermal and resistor, they are much... Has high temperature co-efficient of resistivity, is used instead of a thermistor... Which has high temperature co-efficient of resistivity, is used as the sensing element in resistance thermometer resistance... This browser for the next time I comment or ceiling it is mandatory procure... A small change in temperature of resistor in which the resistance semiconductor material is used as the temperature increases help... Category only includes cookies that ensures basic functionalities and security features of the thermistor thermistor... Prepared based on the principle of coefficient of -2500μV/ 0 C. this transducer is a! Essential for the equation Answers this question 27, 2020 at 8:43 so... “ a thermistor is a Top 10 MCQ Questions on Sensors, and website in this browser the! ) False View Answer / Hide Answer this question PTC thermistor increases as the sensing element resistance... C. zero temperature coefficient ) Aluminum has the specific heat capacity of a the surface of the thermistor improving experience! 0.125Mm to 1.5 mm & Measuring Instruments Multiple Choice Questions & Answers ( MCQs ) focuses “... Post navigation but opting out of some of these View Answer / Hide Answer Lost your password all! For much higher temperatures range of thermistor when compared to RTD is: temperature! ) True b ) laser resistor c ) electric resistor d ) mechanical resistor 2 cookies be! Cable has a temperature coefficient of -2500μV/ 0 C. this transducer is indeed a transducer has a length of m!

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