Potentiometer Question & Answers September 20, 2022 By WatElectronics This article lists 100 Potentiometer MCQs for engineering students. All the Potentiometer Questions & Answers given below include a hint and a link wherever possible to the relevant topic. This is helpful for users who are preparing for their exams, interviews, or professionals who would like to brush up on the fundamentals of Potentiometer. The potentiometers are used to calibrate the DC voltmeter, and DC ammeter, and measure resistance. The resolution, non-linearity, and accuracy (0.1% or better) are the parameters of potentiometers. The potentiometers are used for drug analysis in the pharmaceutical industry, analysis of pollutants in water, in the food industry for analysis of quality, and used as analytical tools in textiles, explosive energy, paints, papers, and so on. The simple slide wire potentiometer consists of the reference voltage, galvanometer, unknown voltage, resistance wire, and sliding contact. The manual, self-balancing, carbon film, and plastic film potentiometers are types of potentiometers. The carbon composition, wire wound, conductive plastic, and cermet are the materials used for potentiometers. The dirt accumulation and friction are the operational problems with a potentiometer. The single linear slider potentiometer is used for single channel control, a dual slide potentiometer is used for stereo control in professional audio, a multi-turn slide linear potentiometer is used where high precision and resolution are required, and the motorized fader is automatically adjusted by a servo motor and it is used where manual and automatic adjustment is required. 1). Which one of the following is a parameter of potentiometer? Dirt accumulation Friction problem Resolution All of the above None Hint 2). The potentiometers can be used to calibrate ____________________? DC voltmeter Dirt accumulation Friction problem All of the above None Hint 3). Which one of the following is a type of rotary control wire? DC voltmeter Dirt accumulation Friction problem Nader resistance network None Hint 4). The potentiometers are categorized into ____________________ types? Two Three Four Five None Hint 5). The simple slide wire potentiometer consists of ____________________? Sliding contact Galvanometer Both a and b None of the above None Hint 6). Which one of the following is a type of potentiometric titration? Manual Self-balancing Oxidation reduction All of the above None Hint 7). The potentiometric titrations are categorized into ____________________ types? Two Three Four Five None Hint 8). Which one of the following is a potentiometry method sensing device? Types of electrodes Conductivity cell Thermistor Spectrophotometer None Hint 9). Which one of the following equations comes under precipitation titration? -Zn2+ +4NH3=Zn (NH3)42+ -A(aq)+B(aq)=AB(S) -Fe2+ +Ce4+ =Fe3+ + Ce3+ None of the above None Hint 10). The figure shown below is a schematic circuit diagram of ____________________? Potentiometer Transformer Generator None of the above None Hint 11). What are the applications of potentiometry? Used as analytical tool in textile Explosive energy Papers, paints All of the above None Hint 12). The wiper resistance in a mechanical potentiometer is ____________________? 100 ohms 500 ohms 240 ohms Negligible None Hint 13). In which one of the following potentiometers, the end-to-end resistance is independent? Mechanical potentiometer Digital potentiometer Both a and b None of the above None Hint 14). Which one of the following potentiometers comes under rotary potentiometer? Single turn potentiometer Multi-turn potentiometer Slide potentiometer Dual slide potentiometer None Hint 15). Which one of the following potentiometers is automatically adjusted by a servo motor? Slide potentiometer Concentric potentiometer Servo potentiometer Motorized fader None Hint 16). Which one of the following potentiometers is a single linear slider potentiometer? Slide potentiometer Dual slide Multiturn Motorized fader None Hint 17). Which one of the following potentiometers are used to control two parallel potentiometers? Slide Dual slide Motorized fader All of the above None Hint 18). Which one of the following potentiometers is constructed with conductive plastic? Slide Dual slide Motorized fader None of the above None Hint 19). The figure shown below is a block diagram of ____________________? Slide wire Transformer Generator None of the above None Hint 20). Which one of the following equations comes under complexometric titration? -Zn2+ +4NH3=Zn (NH3)42+ -A(aq)+B(aq)=AB(S) -Fe2+ +Ce4+ =Fe3+ + Ce3+ None of the above None Hint 21). In which one of the following potentiometers the end-to-end resistance is dependent? Mechanical potentiometer Digital potentiometer Both a and b None of the above None Hint 22). Which one of the following potentiometers comes under linear potentiometer? Single turn potentiometer Servo potentiometer Concentric potentiometer Dual slide potentiometer None Hint 23). Which one of the following potentiometers is used for single channel control? Slide potentiometer Concentric potentiometer Servo potentiometer Motorized fader None Hint 24). Which one of the following potentiometers is automatically adjusted by a servo motor? Concentric potentiometer Dual gang potentiometer Servo potentiometer None of the above None Hint 25). The rotary potentiometers are categorized into ____________________ types? Three Six Eight Five None Hint Potentiometer MCQs for Quiz 26). Which one of the following one has a handle? Potentiometer Adjustable resistor Both a and b None of the above None Hint 27). Which one of the following potentiometers is also called a chip potentiometer? Step SMD Solid None of the above None Hint 28). Which one of the following potentiometers is used for volume control in amplifiers? Step SMD Solid None of the above None Hint 29). The figure shown below is a block diagram of ____________________? Duo-range potentiometer Transformer Generator None of the above None Hint 30). What are the advantages of synthetic carbon film potentiometer? Wide resistance range Large sliding noise Poor heat None of the above None Hint 31). What are the advantages of a wire wound potentiometer? Poor high frequency characteristics High power Good stability Both b and c None Hint 32). Which one of the following is used to control the current? Rheostat Potentiometer Both a and b None of the above None Hint 33). Which one of the following ones can divide the voltage? Rheostat Potentiometer Both a and b None of the above None Hint 34). In any circuit. the potentiometers are connected in ____________________? Series Parallel Either series or parallel None of the above None Hint 35). Which one of the following has a low power and is used in fans? Rheostat Potentiometer Both a and b None of the above None Hint 36). Which one of the following is composed of resistive elements? Rheostat Potentiometer Both a and b None of the above None Hint 37). Which one of the following is an example for acid base titration? Titration of HCL with NaOH Titration of mixture of Cl-, Br-, I- with AgNO3 Both a and b None of the above None Hint 38). The electroanalytical methods are categorized into ____________________ types? Two Three Four Five None Hint 39). The figure shown below is a block diagram of ____________________? Drysdale phase shifter Transformer Generator None of the above None Hint 40). Which one of the following equations comes under oxidation reduction titration? -Zn2+ +4NH3=Zn(NH3)42+ -A(aq)+B(aq)=AB(S) -Fe2+ +Ce4+ =Fe3+ + Ce3+ None of the above None Hint 41). In which one of the following the wiper resistance is around 100 ohms? Mechanical potentiometer Digital potentiometer Both a and b None of the above None Hint 42). Which one of the following potentiometers automatically adjusts the fader using servo motor? Slide potentiometer Concentric potentiometer Servo potentiometer Motorized fader None Hint 43). Which one of the following materials can handle high temperatures? Conductive plastic Wire wound Cermet None of the above None Hint 44). Which one of the following potentiometers is a dual linear slider potentiometer? Slide potentiometer Dual slide Multiturn Motorized fader None Hint 45). Which one of the following potentiometers are used where manual and automatic adjustment is required? Slide potentiometer Dual slide Multiturn slide Motorized fader None Hint 46). Which one of the following has a long service life? Adjustable resistor Potentiometer Both a and b None of the above None Hint 47). What are the disadvantages of synthetic carbon film potentiometer? Wide resistance range Large sliding noise High resolution None of the above None Hint 48). What are the disadvantages of a wire wound potentiometer? Poor high frequency characteristics High power Good stability Both b and c None Hint 49). The reference electrode is categorized into ________________ types? Two Three Four Five None Hint 50). In which one of the following potentiometers the interface is well controlled? Mechanical potentiometer Digital potentiometer Both a and b None of the above None Hint Potentiometer MCQs for Exams 51). Which one of the following materials can handle limited power? Conductive plastic Wire wound Cermet None of the above None Hint 52). The linear potentiometers are categorized into ____________________ types? Three Six Eight Four None Hint 53). Which one of the following is used to measure the potential difference? Rheostat Potentiometer Both a and b None of the above None Hint 54). Which one of the following ones cannot divide the voltage? Rheostat Potentiometer Both a and b None of the above None Hint 55). Which one of the following is used for television manipulates? Rheostat Potentiometer Both a and b None of the above None Hint 56). Which one of the following is composed of various materials? Rheostat Potentiometer Both a and b None of the above None Hint 57). What is the standard form of SCE? Simple Calomel Electrode Single Calomel Electrode Saturated Calomel Electrode None of the above None Hint 58). The metallic and membrane electrodes are type of _______ electrodes? Reference Indicator Both a and b None of the above None Hint 59). The indicator electrode is categorized into _________________ types? Two Three Four Five None Hint 60). What is the standard form of ISE? Indicator Selective Electrode Iron Selective Electrode Ion Selective Electrode None of the above None Hint 61). The saturated calomel electrode is a type of ____________________ electrode? Reference Indicator Both a and b None of the above None Hint 62). The ion selective electrode is categorized into ____________________ types? Three Four Two Six None Hint 63). An integrated circuit CAT5221 is one type of ____________________ digital potentiometer? Single Dual Tripple None of the above None Hint 64). The AC potentiometers are categorized into ____________________ types? Three Four Two Seven None Hint 65). Which one of the following potentiometers is also known as polar type potentiometer? Drysdale Tinsley Gall Tinsley Both a and b None of the above None Hint 66). The DC potentiometers are categorized into ____________________ types? Three Four Two Five None Hint 67). What is the standard form of DPV? Different Pulse Voltammetry Differential Pulse Voltammetry Digital Pulse Voltammetry None of the above None Hint 68). Which one of the following potentiometers consists of a Drysdale phase shifter? Self-balancing Brooks deflectional Drysdale Tinsley polar type None of the above None Hint 69). The figure shown below is a block diagram of ____________________? DC potentiometer Transformer Generator AC potentiometer None 70). In which one of the following potentiometers, the interface is controlled by push buttons, microprocessors? Mechanical potentiometer Digital potentiometer Both a and b None of the above None Hint 71). Which one of the following materials can handle high power? Conductive plastic Wire wound Cermet None of the above None Hint 72). Which one of the following potentiometers are used as trim pots? Slide potentiometer Dual slide Multiturn slide Motorized fader None Hint 73). Which one of the following has a short service life? Adjustable resistor Potentiometer Both a and b None of the above None Hint 74). What is the standard form of NPV? Noise Pulse Voltammetry Nominal Pulse Voltammetry Normal Pulse Voltammetry None of the above None Hint 75). Which one of the following potentiometers is also known as coordinate type potentiometer? Drysdale Tinsley Gall Tinsley Both a and b None of the above None Hint Potentiometer MCQs for Students 76). Which one of the following potentiometers is also known as phase shift transformer? Drysdale phase shifter Brooks deflectional Both a and b None of the above None Hint 77). The resistance of the potentiometer is ____________________? Low High Medium Better None Hint 78). Which one of the following has two terminals? Rheostat Potentiometers Both a and b None of the above None Hint 79). The figure shown below is a block diagram of ____________________? DC potentiometer Transformer Encoder controlled AC potentiometer None Hint 80). The carbon discs and metal ribbons are used to make _______________________? Rheostat Potentiometers Both a and b None of the above None Hint 81). What is the standard form of WCR? Wiper Control Register Wiper Common Register Wiper Control Regulator None of the above None Hint 82). The titration curves are categorized into _________________ types? Two Three Four Five None Hint 83). What is the standard form of ISFET? Ion Selective Field Effect Transistor Ion Selective Field Effect Transformer Ion Selective Field Effect Transducer None of the above Ion Selective Field Effect Transistor Ion Selective Field Effect Transformer Ion Selective Field Effect Transducer None of the above None Hint 84). In liquid membrane electrodes, the active substances are of _________________ kinds? Two Three Four Five None Hint 85). The resistance of the voltmeter is _________________? Low High Medium Better None Hint 86). Which one of the following has three terminals? Rheostat Potentiometers Both a and b None of the above None Hint 87). The graphite material is used to make _________________? Rheostat Potentiometers Both a and b None of the above None Hint 88). Which one of the following is an electric current formula? i=q/t I=neAvd R=V/I G=1/R None Hint 89). Which one of the following electrodes is an example of an indicator electrode? Glass electrode Calomel electrode Normal electrode None of the above None Hint 90). The membrane indicator electrode is categorized into _________________ types? Two Three Four Five None Hint 91). We must have _________________ for any potentiometric measurements? Indicator electrode Reference electrode Potentiometer, salt bridge All of the above None Hint 92). Which one of the following electrodes comes under reference electrodes? Calomel Glass membrane Hydrogen Quinhydrone None Hint 93). The potentiometric titrations are used for _________________ titrations? Redox Acid-base Precipitation All of the above None Hint 94). The reference electrode potential must be _________________? Definite Indefinite Infinity Zero None Hint 95). Which one of the following electrodes is an example of a reference electrode? Glass electrode Calomel electrode Normal electrode Both b and c None Hint 96). Which one of the following is the power of a circuit formula? i=q/t I=neAvd R=V/I P=IV None Hint 97). What are the merits of shunt resistance? Protects the galvanometer Decreases the galvanometer sensitivity Both a and b None of the above None Hint 98). In which one of the following, current carriers are free electrons and holes? Gasses Semiconductor Both a and b None of the above None Hint 99). The cells in mixed groups, condition for maximum current is expressed as _________________? i=q/t I=neAvd R=nr/m G=1/R None Hint 100). The potentiometric titrations are used in _________________ applications? Clinical chemistry Agriculture Detergent manufacturing All of the above None Hint Read more about Potentiometer Please fill in the comment box below. Time's up