Merenja 2 Vtest

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Quizzes Created: 1 | Total Attempts: 271
| Attempts: 271
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  • 1/129 Questions

    Periodična struja čija je srednja vrednost jednaka nuli je

    • Pulsirajuća
    • Naizmenična
    • Konstanta
    • Option 4
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Merenja 2 Vtest - Quiz
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  • 2. 

    Obično je najpogodnije da se filtriranje izvrši_________________normalizacije

    Explanation
    The correct answer is "pre". This is because "pre" means "before" in English, and in the given sentence it is used to indicate that filtering should be done before normalization.

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  • 3. 

    Унутрашња отпорност идеалног амперметра мора да буде једнака нули

    • True

    • False

    Correct Answer
    A. True
    Explanation
    The statement is true because an ideal ammeter is designed to have zero internal resistance. This means that it will not affect the circuit it is connected to and will accurately measure the current flowing through it. If the internal resistance of the ammeter is not zero, it will cause a voltage drop and affect the accuracy of the current measurement. Therefore, the internal resistance of an ideal ammeter must be equal to zero.

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  • 4. 

    Temena vrednost prostoperiodične veličine zove se

    Correct Answer
    amplituda
    Explanation
    The given question is asking for the term used to describe the constant value of a periodic quantity. The correct answer is "amplituda," which is a term used to describe the maximum amplitude or magnitude of a periodic signal.

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  • 5. 

    Signali čiji buduće vrednosti(promene) nisu unapred poznate zovu se nedetrministički

    • Tačno

    • Netačno

    Correct Answer
    A. Tačno
    Explanation
    The given statement states that signals whose future values or changes are not known in advance are called nondeterministic. This means that the values or changes of these signals cannot be predicted or determined with certainty. Therefore, the correct answer is "Tačno" (True) as it accurately reflects the definition of nondeterministic signals.

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  • 6. 

    Signali koji mogu da budu predstavljeni nekom određenom matematičkom funkcijom vremena zovu se nederminističkom

    • Tačno

    • Netačno

    Correct Answer
    A. Netačno
    Explanation
    The statement is incorrect. The correct answer is "Netačno" which means "False" in English. The given statement says that signals that can be represented by a specific mathematical function of time are called non-deterministic, but this is not true. Non-deterministic signals refer to signals that cannot be predicted or determined with certainty.

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  • 7. 

    Signali koji mogu da budu predstavljeni nekom određenom matematičkom funkcijom vremena zovu se determinističkom

    • Tačno

    • Netačno

    Correct Answer
    A. Tačno
    Explanation
    The given statement is true. It states that signals that can be represented by a specific mathematical function of time are called deterministic. This means that these signals can be precisely predicted and have a fixed relationship between their input and output values. Deterministic signals are often used in various fields, such as engineering and physics, for modeling and analysis purposes.

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  • 8. 
    Kolika je srednja vrednost signala prikazanog na slici - ProProfs

    Kolika je srednja vrednost signala prikazanog na slici

    Correct Answer
    A.
  • 9. 

    U industrijskoj metrologiji najširu primenu imaju

    • Induktivni senzori

    • Otpornički senzori

    • Kapacitivni senzori

    Correct Answer
    A. Otpornički senzori
  • 10. 

    _____________senzori zahtevaju dodatni izvor energije

    Correct Answer
    pasivni
    Explanation
    Passive sensors do not require an additional power source as they rely on external stimuli to generate a response. This is in contrast to active sensors, which require an additional power source to function. Therefore, the given statement is suggesting that passive sensors do not require an additional energy source.

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  • 11. 

    __________________senzori energiju za svoj rad uzimaju iz medijuma čije stanje održavaju(mere)

    Correct Answer
    aktivni
    Explanation
    The correct answer is "aktivni" because the sentence states that the sensors obtain energy for their operation from the medium whose state they maintain or measure. This implies that the sensors are actively involved in the process and are not passive.

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  • 12. 

    _________ snaga je realna snaga koja se prenosi od izvora el energije potrošaču, odnosno od jednog dela elektroenergetskog sistema drugom

    Correct Answer
    aktivna
    Explanation
    The given explanation states that "_________ snaga je realna snaga koja se prenosi od izvora el energije potrošaču, odnosno od jednog dela elektroenergetskog sistema drugom", which translates to "_________ power is the real power that is transferred from the power source to the consumer, or from one part of the power system to another." This suggests that the correct answer is "aktivna" (active) power, as it accurately describes the real power being transferred in an electrical energy system.

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  • 13. 

    Veličina koja predstavlja merenu veličinu i sa kojom je funkcionisalo povezana predstavlja

    Correct Answer
    informacioni parametar
    Explanation
    The given correct answer states that the measured quantity and its associated function represent an information parameter. This implies that the quantity being measured is used to gather information or provide data in a specific context or system. The term "informacioni parametar" suggests that this parameter is related to the transmission, processing, or storage of information.

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  • 14. 

    Merenje, u najopštijem slučaju, obuhvata

    • Prenos mernog signala

    • Obradu mernog signala

    • Prenos i obradu mernog signala

    • Option 4

    Correct Answer
    A. Prenos i obradu mernog signala
    Explanation
    The correct answer is "prenos i obradu mernog signala" which means "transmission and processing of the measurement signal" in English. This suggests that measurement, in its broadest sense, involves both the transmission and processing of the measurement signal. This implies that the measurement process includes not only the transfer of the signal from the source to the receiver but also the manipulation and analysis of the signal to obtain meaningful information or data.

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  • 15. 
    Moduo razlike graničnih vrednosti nazivnog opsega naziva se________________ - ProProfs

    Moduo razlike graničnih vrednosti nazivnog opsega naziva se________________

    Correct Answer
    raspon
    Explanation
    The correct answer is "raspon". The term "raspon" in Serbian language refers to the range of the nominal values. It indicates the difference between the highest and lowest values in a given set or range. In this context, it is used to describe the difference between the upper and lower limits of the nominal range.

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  • 16. 

    Propusni opseg filtra je opseg učestanosti u kome

    • Slabljenje ostaje veće od zadate vrednosti

    • Slabljenje ostaje manje od zadate vrednosti

    • Slabljenje ima vrednost 1 ili 0

    Correct Answer
    A. Slabljenje ostaje manje od zadate vrednosti
    Explanation
    The correct answer is "slabljenje ostaje manje od zadate vrednosti." This means that the attenuation (slabljenje) remains lower than the specified value within the frequency range (opseg učestanosti) of the filter. In other words, the filter allows the passage of frequencies with minimal attenuation, ensuring that the signal is not significantly weakened within the desired frequency range.

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  • 17. 
    На основу дијаграма приказаног на слици, изабрати редни број мерог опсега мерене величине који доводи до промене оштећења. - ProProfs

    На основу дијаграма приказаног на слици, изабрати редни број мерог опсега мерене величине који доводи до промене оштећења.

    • 3

    • 1

    • 2

    Correct Answer
    A. 3
  • 18. 
    Količnik predstavlja - ProProfs

    Količnik predstavlja

    • Pokazatelj oblika

    • Pokazatelj vrha

    • Pokazatelj usrednjavanja

    Correct Answer
    A. Pokazatelj oblika
    Explanation
    The correct answer is "pokazatelj oblika" because the word "količnik" in the question suggests that it is referring to a ratio or a quotient. "Pokazatelj oblika" translates to "indicator of shape" in English, which indicates that the "količnik" is a measure or an indicator that describes the shape of something.

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  • 19. 
    Količnik predstavlja - ProProfs

    Količnik predstavlja

    • Pokazatelj usrednjavanja

    • Pokazatelj vrha

    • Pokazatelj oblika

    Correct Answer
    A. Pokazatelj vrha
    Explanation
    The correct answer is "pokazatelj vrha" because "količnik" refers to the quotient or ratio between two numbers. In this context, "pokazatelj vrha" translates to "peak indicator" or "indicator of the peak." This suggests that the quotient is related to the highest point or maximum value in a given situation or data set.

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  • 20. 

    Uobičajeno je da se specijalizovani računari, namenjeni za upravljanje tehnološkim procesima nazivaju________________ računari

    Correct Answer
    procesni
    Explanation
    The correct answer is "procesni." In the given question, it is stated that specialized computers used for managing technological processes are commonly referred to as "procesni" computers. This term is used to describe the specific purpose and function of these computers, which is to handle and control various technological processes.

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  • 21. 

    Nosilac informacije koji mogućava njeno prenošenje kroz prostor i vreme zove se

    Correct Answer
    signal
    Explanation
    The correct answer is "signal." A signal is a carrier of information that can be transmitted through space and time. It can be in the form of electrical, electromagnetic, or any other type of wave that carries information from one location to another. Signals are used in various communication systems to convey messages and enable the transfer of data between different devices or individuals.

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  • 22. 

    Struktura kondicionera određena je električnim karakteristikama senzora i praktično_________________od fizičke prirodne veličine koja se meri

    Correct Answer
    ne zavisi
    Explanation
    The structure of the conditioner is determined by the electrical characteristics of the sensor and practically does not depend on the physical natural quantity being measured.

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  • 23. 

    Filtri tipa Batervort imaju maksimalno_______________________amplitudsku karakteristiku

    Correct Answer
    glatku
    Explanation
    Filtri tipa Batervort imaju maksimalno glatku amplitudsku karakteristiku. This means that these filters have a smooth amplitude response, meaning that the output signal remains relatively constant across different frequencies. This is important in applications where a consistent signal level is desired, such as in audio systems or communication systems. The smooth amplitude response of Batervort filters allows for accurate signal processing and filtering without introducing any distortion or variations in the output signal.

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  • 24. 

    Signali prema intezitetu mogu da budu

    • Neprekidni

    • Digitalni

    • Analogni

    • Diskretni

    Correct Answer(s)
    A. Digitalni
    A. Analogni
    Explanation
    The question is asking for the types of signals based on their intensity. The correct answer is "digitalni" (digital) and "analogni" (analog). Digital signals are discrete and have a finite number of possible values, while analog signals are continuous and can have an infinite number of possible values.

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  • 25. 

    Nepropusni opseg je opseg učestanosti u kome

    • Slabljenje ostaje manje od zadate vrednosti

    • Slabljenje ima vrednost 1 ili 0

    • Slabljenje ostaje veće od zadate vrednosti

    Correct Answer
    A. Slabljenje ostaje veće od zadate vrednosti
    Explanation
    The correct answer is "slabljenje ostaje veće od zadate vrednosti." This means that the attenuation remains greater than the specified value. In other words, the signal weakens but still remains above the desired threshold.

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  • 26. 

    ____________ senzori energiju za svoj rad uzimaju iz medijuma čije stanje održavaju(mere)

    Correct Answer
    aktivni
    Explanation
    The given statement suggests that the sensors obtain energy for their functioning from the medium in which they operate, and they also maintain or measure the state of that medium. The term "aktivni" in Serbian translates to "active" in English. Therefore, the correct answer is "active," indicating that the sensors are actively involved in obtaining energy and maintaining the state of the medium.

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  • 27. 

    Niz elemenata mernog sistema koji čine pojedinačnu putanju signala od senzora do izlaznog elementa zove se ______________________

    Correct Answer
    merni lanac
    Explanation
    The correct answer is "merni lanac." In Serbian, "merni lanac" translates to "measurement chain." This refers to the collection of elements in a measurement system that form the path of the signal from the sensor to the output element. The measurement chain includes components such as sensors, transducers, amplifiers, filters, and displays that work together to measure and display the desired quantity.

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  • 28. 

    Мерење електричне___________се превасходно врши са циљем обрачуна трошкова за преузету енергију.

    Correct Answer
    energije
    Explanation
    Electricity consumption is primarily measured in order to calculate the cost of the energy used.

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  • 29. 
    Izrazom određuje se - ProProfs

    Izrazom određuje se

    • Efektivna vrednost

    • Srednja vrednost

    • Srednja apsolutna vrednost

    Correct Answer
    A. Efektivna vrednost
    Explanation
    The given correct answer is "efektivna vrednost". This term is used to determine the effective value of a quantity, which is the square root of the mean of the squared values of that quantity. It is commonly used in electrical engineering to calculate the root mean square (RMS) value of an alternating current or voltage signal. The effective value represents the magnitude of the signal that produces the same amount of power as a direct current or a constant voltage signal.

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  • 30. 
    На основу дијаграма приказаног на слици, изабрати редни број мерог опсега мерене величине који доводи до промене нуле. - ProProfs

    На основу дијаграма приказаног на слици, изабрати редни број мерог опсега мерене величине који доводи до промене нуле.

    • 1

    • 2

    • 3

    Correct Answer
    A. 1
  • 31. 

    Promena vrednosti analogne veličine

    • Može da bude beskonačno mala

    • Može da bude samo neka iz ugla diskretnih vrednosti

    • Ne može da bude beskonačno mala

    • Option 4

    Correct Answer
    A. Može da bude beskonačno mala
    Explanation
    The correct answer is "može da bude beskonačno mala" which translates to "it can be infinitely small." This implies that the change in the value of an analog quantity can be extremely minute or infinitesimal.

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  • 32. 

    Deo mernog lanca koji ostvaruje spregu sa senzorom naziva se

    Correct Answer
    kondicioner
    Explanation
    The correct answer is "kondicioner" because a conditioner is a device that creates a connection or coupling with a sensor in order to achieve a desired effect or result. The term "deo mernog lanca" suggests that it is a component or part of a measurement chain, and "kondicioner" fits this description as it is commonly used in various measurement systems to condition or modify the signals from sensors for further processing or analysis.

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  • 33. 
    Kod pretvarača sa izlomljenom karakteristikom prikazanom na slici postiže se bolja rezolucija u podopsegu 0 do Xg - ProProfs

    Kod pretvarača sa izlomljenom karakteristikom prikazanom na slici postiže se bolja rezolucija u podopsegu 0 do Xg

    • Tačno

    • Netačno

    Correct Answer
    A. Netačno
    Explanation
    The given statement is incorrect. The converter with a broken characteristic curve shown in the picture does not achieve better resolution in the subrange 0 to Xg.

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  • 34. 

    ______________ је елемент са два приступа типа улаз-излаз, намењен да преноси спектралне компоненте улазног сигнала у складу са одређеним законом.

    Correct Answer
    је елемент са два приступа типа улаз-излаз, намењен да преноси спектралне компоненте улазног сигнала у филтар
    filtar
  • 35. 

    Кроз идеалан волтметар тече струја

    • True

    • False

    Correct Answer
    A. False
    Explanation
    In the given statement, it is mentioned that "current flows through an ideal voltmeter." However, this statement is incorrect. A voltmeter is a device used to measure voltage, not current. Therefore, the correct answer is False.

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  • 36. 

    Мерење електричне енергије остварује се___________________измерене електричне снаге током одређеног временског интервала.

    Correct Answer
    integracijom
    Explanation
    Electric energy measurement is achieved by integrating the measured electric power over a certain time interval.

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  • 37. 
    На основу дијаграма приказаног на слици, изабрати редни број мерог опсега мерене величине који доводи до промене осетљивости. - ProProfs

    На основу дијаграма приказаног на слици, изабрати редни број мерог опсега мерене величине који доводи до промене осетљивости.

    • 2

    • 1

    • 3

    Correct Answer
    A. 2
  • 38. 
    Efektivna vrednost složenog periodičnog signala - ProProfs

    Efektivna vrednost složenog periodičnog signala

    • Zavisi samo od efektivnih vrednosti njegovih harmonika, a ne zavisi od njihove početne faze Pn

    • Zavisi od efektivnih vrednosti njegovih harmonika, i od njihove početne faze Pn

    • Zavisi samo od početne faze njegovih harmonika Fn, a ne zavisi od njihovih efektivnih vrednosti

    Correct Answer
    A. Zavisi samo od efektivnih vrednosti njegovih harmonika, a ne zavisi od njihove početne faze Pn
    Explanation
    The effective value of a complex periodic signal depends only on the effective values of its harmonics, and not on their initial phase Pn.

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  • 39. 

    Efektivna vrednost prostoperiodičnog napona u(t)=U*sin(w*t+p)

    • Uef=U√2

    • U_ef=U/√2

    • U_ef=0

    Correct Answer
    A. U_ef=U/√2
    Explanation
    The correct answer is U_ef=U/√2. This is because the effective value (U_ef) of a sinusoidal voltage is equal to the peak value (U) divided by the square root of 2 (√2). The effective value represents the equivalent DC voltage that would produce the same amount of power in a resistive load as the sinusoidal voltage.

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  • 40. 

    Periodična struja čija je srednja vrednost različita od nule je

    • Naizmenična

    • Pulsirajuća

    • Konstantna

    Correct Answer
    A. Pulsirajuća
    Explanation
    A periodic current with a non-zero average value is referred to as a pulsating current. This type of current fluctuates around a non-zero mean value, resulting in a pulsating waveform. It is different from an alternating current, which changes direction periodically, and a constant current, which has a steady and unchanging value.

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  • 41. 

    Promena vrednosti digitalne veličine

    • Može da bude samo neka iz skupa diskretnih vrednosti

    • Može da bude beskonačno mala

    • Ne može da bude beskonačno mala

    Correct Answer
    A. Može da bude samo neka iz skupa diskretnih vrednosti
    Explanation
    The correct answer states that the change in value of a digital quantity can only be one of the discrete values in a set. This means that digital quantities cannot have continuous or infinite values, but rather can only have specific, distinct values.

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  • 42. 
    Količnik predstavlja - ProProfs

    Količnik predstavlja

    • Pokazatelj vrha

    • Pokazatelj usrednjavanja

    • Pokazatelj oblika

    Correct Answer
    A. Pokazatelj usrednjavanja
    Explanation
    The correct answer is "pokazatelj usrednjavanja" because the term "količnik" in the question suggests that it is asking for a ratio or a quotient. "Pokazatelj usrednjavanja" translates to "average indicator" or "measure of central tendency," which is a type of ratio that represents the average or typical value in a set of data. Therefore, it is the most appropriate answer among the options given.

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  • 43. 

    Pri merenju neelektričnih veličina, informacija dobijena pomoću senzora

    • Nikada nije u obliku pogodnom za precizno merenje

    • Najčešće je u obliku pogodnom za precizno merenje

    • Najčešće nije u obliku pogodnom za precizno merenje

    Correct Answer
    A. Najčešće nije u obliku pogodnom za precizno merenje
    Explanation
    The correct answer is "najčešće nije u obliku pogodnom za precizno merenje." This answer suggests that when measuring non-electrical quantities, the information obtained from sensors is often not in a suitable form for precise measurement.

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  • 44. 
    Kod pretvarača sa izlomljenom karakteristikom prikazanom na slici postiže se bolja rezolucija u podopsegu Xg do Xmax - ProProfs

    Kod pretvarača sa izlomljenom karakteristikom prikazanom na slici postiže se bolja rezolucija u podopsegu Xg do Xmax

    • Tačno

    • Netačno

    Correct Answer
    A. Tačno
    Explanation
    The statement suggests that the converter with a broken characteristic curve shown in the picture achieves better resolution in the subset Xg to Xmax. This means that within this range, the converter is able to accurately convert and represent the input values, resulting in a higher level of detail and precision in the output.

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  • 45. 
    На слици је приказан блок дијаграм - ProProfs

    На слици је приказан блок дијаграм

    • уређаја за мерење електричне енергије

    • уређаја за мерење електричне снаге

    Correct Answer
    A. уређаја за мерење електричне енергије
  • 46. 

    U trofaznoj električnoj mreži naponi su fazno pomereni za ugao

    • 120

    • 240

    • 180

    • 60

    Correct Answer
    A. 120
    Explanation
    In a three-phase electrical network, the voltages are phase-shifted by an angle of 120 degrees. This means that the voltage in each phase is offset by 120 degrees from the other phases. This phase shift allows for a more efficient and balanced distribution of power in the network.

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  • 47. 

    Interval vremena od trenutka kada se pobuda naglo promeni do trenutka kada odziv dostigne i ostane u određenim granicama oko svoje konačne stabilne vrednosti naziva se___________________

    Correct Answer
    vreme odziva
    Explanation
    The interval of time from when the stimulus abruptly changes until the response reaches and remains within certain limits around its final stable value is called "vreme odziva" or "response time".

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  • 48. 

    Veličina koja predstavlja merenu veličinu i sa kojom je funkcionalno povezana zove se

    • Merni signal

    • Informacioni parametar

    • Merni parametar

    Correct Answer
    A. Informacioni parametar
    Explanation
    The correct answer is "informacioni parametar". In the given question, it is stated that the size that represents the measured quantity and is functionally connected to it is called "informacioni parametar". This implies that the measured quantity is related to information, indicating that the correct term to use is "informacioni parametar".

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  • 49. 

    Raspodela veličine u funkciji učestalosti ili talasne dužine naziva se

    Correct Answer
    spektar
    Explanation
    The correct answer is "spektar." The question asks for the term used to describe the distribution of size in relation to frequency or wavelength. The term for this is "spektar," which refers to the range or distribution of values within a given parameter.

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Quiz Review Timeline (Updated): Jul 22, 2024 +

Our quizzes are rigorously reviewed, monitored and continuously updated by our expert board to maintain accuracy, relevance, and timeliness.

  • Current Version
  • Jul 22, 2024
    Quiz Edited by
    ProProfs Editorial Team
  • Nov 09, 2017
    Quiz Created by
    Batakameni
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