The selectivity of most receivers is determined largely by …………, A. sensitivity a) Noiseless An unmodulated voltage 10 V effective is applied to a dioxide detector in which load resistance is 4 x 10-5 ohms. Now what will happen to direction of … Gases emit radiation under which of the following conditions which can be used for determination of gases…, Atomic Absorption Spectroscopy Questions & Answers, Necessary Conditions for Stability & Non-Linear Systems, Top 10 Industrial safety Objective Questions, Feedback and Non-feedback Systems Objective Questions, Self-Actuated Valves, Pneumatic & Hydraulic Actuators, Thermowell Insertion and Immersion Length, Calibration of Displacer Level Transmitter, DP Level Transmitter Elevation and Suppression Corrections. Q.40. B. C. very high frequency B. higher than the incoming frequency A. 14. It is known that noise phase modulates the FM wave. C. is independent of the modulating signal power As the noise side band frequency approaches the carrier frequency, the noise amplitude, A. will increase D. Noise suppression, Q.6. 7. c) Dispersion is overlapping Q.1. 455 kHz C. 10.7 MHz July 15, 2020 Kamal Shah GATE Exam, GPAT Preparation, How to prepare for gpat, MCQ, NIPER JEE Examination (Masters/Ph.D. 990 kHz In a superheterodyne receiver with an IF of 450 kHz is tuned to a signal at 1200 kHz. C. of high L/C ratio D. Agitation noise, Q.90. C. increases as the modulation index decreases C. Adjacent channel rejection will improve A. D. any of the above, Q.72. Home >> Category >> Electronic Engineering (MCQ) questions & answers >> Digital Electronics Q. C. full wave rectifier 12. C. poor AF response Pressure gauges indicate the pressure. D. reduces adjacent channel rejection, A. cuts off an IF amplifier when the AGC is maximum 16 kbps If the intermediate frequency is 455 kHz. B. Colpitts oscillator C. reduce interference due to electrical machinery a) Dispersion is non-overlapping Q.39. B. In this problem we have N number of Dominos (tiles). B. Mixer D. Somewhat worse when the receiving frequency is raised, Q.86. B. will decrease D. all of the above. Helium rather than argon, often is used as the carrier gas in GLC when TCD is used as the detector because, (a) He has a higher ionization potential (b) He is more inert (c) He has stable isotopes which separate and cause a change in column behavior. A transmitter serial current contains, A. carrier frequencies Produce detector Standard AM radio broadcasts are confined to, Q.42. One more advantage of laminar flow burner is that it allows steady movement of gas flow. Which are the popular IF frequencies for microwave and radar receivers operating on frequencies in the range 1 to 10 GHz, A. B. improved rejection of adjacent unwanted signals Double conversion is used to improve image rejection A discriminator is a FM detector, A. 9.11. Explanation: The cathode is formed of half cylinder. C. facilitate image frequency rejection b) Photovoltaic cell B. A. Demodulator In a receiver, which of the following device has RF input but IF output? D. none, Q.56. C. half the modulating frequency 2110 kHz C. 745 kHz D. 910 kHz Answer. A. B. discard the carrier d) Burner. RF amplifiers are used in radio receivers for, A. improved image frequency rejection B. suppresses noise B. increases with frequency B. in the channel B. Phototubes are more sensitive than photovoltaic cells. Q.3. d) Sample containing two or more solvents can be burned efficiently. This contains 100 Multiple Choice Questions for Electrical Engineering (EE) Test: Electrical Engineering- 14 (mcq) to study with solutions a complete question bank. Explanation: The colour and the wavelength of the flame are used for qualitative analysis. Better linearity d) Does not show fatigue. We'll assume you're ok with this, but you can opt-out if you wish. Which of the following is not an advantage of photovoltaic cell which is used as a detector in Flame emission photometers? Solar noise Q.92. Q.74. C. 30, 60 and 70 MHz In a sequence detector, if the required bit is at its input while checking the sequence bit by bit, the detector moves to ________ A. D. of constant passband, Q.63. B. power supply The image rejection of the receiver is, A. insulator Q.15. D. Shot noise, Q.41. C. The frequency selectivity of the local oscillator will have to be lowered B. Ganged tuning inductor Answer: B. B. allow permit adequate frequency coverage without switching C. Variable sensitivity is used to improve selectivity B. the RF stage has better selectivity than IF stage Don't limit yourself to multiple choice questions. A. Transit-time noise B. its operating temperature Which says that a signal has the capacity to interfere with a superhet receiver if its frequency is equal to the signal frequency (1200 kHz in our question) plus or minus twice the IF (455 kHz in our question). C. 1650 kHz A. Partition noise 30, 60 and 70 kHz Given below is the diagram of Flame emission photometers. Q.24. B. It is sampled at the rate of 8 K samples/S. c) Pressure regulator Explanation: Detectors used in Flame emission photometers are Photovoltaic cell and photo emissive tubes. Statement 1 is true but statement 2 is false D. 1920 kHz, Q.61. D. all of the above, A. the local oscillator frequency is made higher than the incoming signal frequency D. all of the above, Q.66. d) Frequency. We … B. its ability to amplify weak signals If the intermediate frequency is 455 kHz. D. Atmospheric noise, Q.75. 1655 kHz B. Multiple Choice Questions and Answers on Integrated Circuits.Objective Questions and Answers on Integrated Circuits . 1010 kHz Identify the part which is indicated with a question mark. D. Variable preset. Q.79. C. Flicker noise D. Equivalent noise resistance. C. RF ripple C. capacitor Product detector B. Explanation: Sample containing two or more solvents cannot be burned efficiently in Laminar flow burner. Which one of the following is not a useful quantity for comparing the noise performance of receivers? B. variable resistor Multiple choice questions on Digital Communication topic Channel Coding. C. Variable capacitor B. the faster the AGC time constant, the more accurate the output c) Determination of metals such as Mn, Cu D. all of the above, Q.71. D. Ultra Audio oscillator, Q.82. C. the variation of the output with the modulation frequency when the output impedance is a resistance The purpose of incorporating a pre-selector stage in a receiver is to, A. provide higher selectivity The function of pressure regulators in emission system of flame photometer is to have a steady flame which is free from flickers. d) Chromatogram. B. twice the modulating frequency B. medium frequency D. its ability to suppress noise. a) Portable In Flame emission photometers, the measurement of _____________ is used for quantitative analysis. A. B. amplify the received modulated carrier a) Photronic cell Statement 1 The term power budgeting in optical fiber communication refers to (A) the cost of cables, connectors, equipment, and installation (B) the loss of power due to defective components C. Input noise voltage The detector is bathed in a uniform magnetic field, so the charged particles are bent in a circular path by a Lorentz force (as for the cyclotron). Neutralization is used in RF amplifiers to, A. stop oscillation B. local oscillator frequency is normally double the IF It is also used for the analysis of plant materials and industrial cements. ElectronicsPost.com is a participant in the Amazon Services LLC Associates Program, and we get a commission on purchases made through our links. A low ratio of the A.C. load impedance of a diode detector results in, A. diagonal clipping In a radio receiver, if the intermediate frequency is too low, A. Image-frequency rejection will improve The disadvantage is that it occurs in a non-linear manner. Which of the following groups has cell wall a) Bacteria, plant and animals b) Bacteria, fungi and plants c) Bacteria, fungi, plants and animals C. improve linearity D. none of the above. a) Radiation is a…, Ionization of Gases Questions and Answers, Ionization of Gases Questions and Answers 1. C. an increase in signal strength produces more AGC An unmodulated voltage 10 V effective is applied to a dioxide detector in which load resistance is 4 x 10-5 ohms. D. suppress noise, Q.9. FSK Demodulator. D. eliminates the RF interference when the signal is weak, Q.95. 2. B. AGC C. 1910 kHz Power spectral density of white noise, A. is constant with frequency Q.10. Its channel capacity is, A. A. C. Somewhat worse when the receiving frequency is lowered B. variable selectivity c) Photoemissive tube When we give conventional three phase supply (i.e. Explanation:-Bus coupler is a device which is used to couple one bus to the other without any interruption in power supply and without creating hazardous arcs.Bus coupler is a breaker used to couple two busbars in order to perform maintenance on other circuit breakers associated with that busbar. D. none, Q.21. Statement 1 is false but statement 2 is true In a radio receiver, if the intermediate frequency is too high, A. Selectivity will be poor The image frequency at 1000 kHz will be, A. D. 555 kHz, Q.31. Answer.3. D. Both the statements are false. a) Colour Vividh Bharati programme is transmitted in, A. short wave Which of the following noise becomes of great importance at high frequencies? C. RF amplifier normally works at kHz above the carrier frequency C. Diode balanced modulator D. Ultra Audio oscillator. C. Audio amplifier ELECTRONICS AND COMMUNICATION ENGINEERING IMPORTANT MCQ-DIGITAL ELECTRONICS. The function of pressure regulators in emission system of flame photometer is to have a steady flame which is free from flickers. B. The solved questions answers in this Test: Electrical Engineering- 14 quiz give you a good mix of easy questions and tough questions. b) Premix burner Often the DP solution turns out to be theoretically wrong because it lacks the optimal substructure. D. Frequency translator, Q.34. Next state c. Remains in the same state (present state) d. Chapter 4 Multiple Choice Questions (4.1) 1. Give your answer in a tabular form showing the present state Q A, Q B, Q C, J-K inputs (J A, K A, J B, K B, J C, K C) and the next state Q A+, Q B+, Q C+. D. negative peak clipping, A. insulator Q.77. A micrometer shows that the rectified DC current in this resistance is 30 A. D. none of the above. C. power amplifier The binary input sequence is applied to the transmitter so as to choose the frequencies according to the binary input. Q.26. B Explanation: A signal (image) can interfere with a superheterodyne receiver if fits the following equation. a) Radiation is absorbed by non-excited atoms in vapour state and are excited to higher states Which of the following is not a detector used in Flame emission photometers? C. That the detector rotates around the sample D. None of the above. Post Correspondence Problem is a popular undecidable problem that was introduced by Emil Leon Post in 1946. Which of the following circuit cannot be used to demodulate SSB? 3. Harikesh Yadav October 26, 2016 ECE MCQ PDF, General. This is defined as “that power below a 1-mW reference (0 dBm) required to produce an output pulse sufficient to raise the noise fluctuation by an amount equal to the average noise level, or 4 dB above the minimum detectable signal.” Noise figure Q.5. Q.89. Most of the amplification of the received signal is obtained in a superheterodyne receiver from the, A. If the intermediate frequency of a superheterodyne receiver falls within the tuning range of the receiver, A. Unsuitability will occur The intensity of light emitted when sample is introduced into the flame is also measured. D. all of the above, Q.60. The samples are passed through an ideal bandpass filter with centre frequency of 32 kHz and bandwidth of 6.4 kHz. D. none of the above, A. the IF stage has better selectivity than RF stage If the momentum of the particle is large, the radius of the trajectory is large, and the path is almost straight. 6. A Klystron is a cavity acting as buncher and catcher is used as microwave tube for (A) Guiding waves (B) Velocity modulation (C) Frequency modulation Which of the following is not a part of the gantry in CT Scan machines (a) Tube (b) Patient couch (c) Workstation (d) Detector array. Which of the following is the principle of Flame emission photometers? c) Robust in construction In a transistor receiver, the use of FET as the first stage amplifier is likely to, A. improve selectivity of the receiver B. b) Medium absorbs radiation and transmitted radiation is measured Which of the following statement about receivers is false? Phase sequence indicator is the indicator that determines the phase sequence of the three phase supply system. ask-modulation-circuit ASK Demodulation Process. B. improved signal-to-noise ratio Burner is where flame is obtained by mixing sample, fuel and oxygen. 1) Which ... a sequence detector, if the required bit is at its input while checking the sequence bit by bit, the detector moves to _____ a. B. modulating signal Somewhat better when the receiving frequency is raised D. more than 455 kHz, Q.81. C. cuts off an audio amplifier when the carrier is absent B. RF stage has no effect on S/N ratio C. Double conversion B. Tracking difficulties will be least B. 3, 6 and 7 kHz Photovoltaic cell is also known as photronic cell. B. B. white noise C. 32 kbps D. all of the above. Which of the following is used to provide tracking between RF amplifier and local oscillator stages of receiver? C. power amplification stage B. AM-DSB signal with carrier Statement 2 a) Analysis of biological fluids C. The circuit is always biased in class C, by virtue of the leak type bias D. 12.2 MHz, Q.87. C. radio frequencies The sequence of amino acids in proteins can be determined by means of. D. Audio amplifier, A. capacitive coupling C. both its resistance value and operating temperature Identify the unmarked component. c) Total consumption burner C. the frequency at which it gives maximum amplification to signal. Q2. Complete phase-shift generator 20 kHz The advantage of sequencer programming over the conventional program is the large savings of memory words. C. will remain constant 4. A. D. 545 kHz, Q.62. c) Velocity d) Only wavelength of the flame is measured. b) Determination of sodium, potassium in soil C. IF amplifier Flame Emission Photometers Questions & Answers. C. equal to incoming frequency A string of n 0’s is appended to the data unit to be transmitted. B. B. Name of Experiment Virtual Lab link 1 To Realize Full Adder/ Subtractor using a) Basic Gates and b) Universal Gates Click here 2 Design and implement Code Converters-Binary to Gray and BCD to Excess-3 Click here 3 Design and Realization of BCD Adder using 4 … D. All of the above, Q.23. In a superheterodyne receiver, the IF is 455 kHz. Q.43. Fewer tuned circuits In radio receiver, the maximum contribution to noise is from, A. mixer stage C. provides improved tracking C. Demodulator 32. B. Selectivity will be too sharp C. prevention of re-radiation of the local oscillator through the antenna of the receiver D. spread the bandwidth. Here, n is one less than the number of bits in CRC generator. Save my name, email, and website in this browser for the next time I comment. Which of the following is not an application of Flame emission photometers? 9. Previous state b. FM receivers using the standard 88 to 108 MHz band use IF of, A. Which of the following is same in AM and FM receivers? C. Modulator in a. radio transmitter The aim is to arrange tiles in such order that string made by Numerators is same as string made by Denominators. RF amplifiers are used in radio receivers for, A. better sensitivity B. insufficient adjacent frequency rejection Shot noise Double spotting in a receiver is due to, A. poor sensitivity of RF amplifier This is the Multiple Choice Questions in Chapter 17: Television Fundamentals from the book Electronic Communication Systems by George Kennedy. D. equally from above three, Q.55. D. all of the above, Q.38. B. Heterodyne whistles will be heard Explanation: The intensity of the flame is used for quantitative analysis. D. shot noise. As compared to tuned radio frequency receivers which of the following is the advantage of using superheterodyne receivers? D. none of the above, Q.45. D. the circuit is the same as in a discriminator, except that the diodes are reversed, Q.37. Most popular IF for receivers tuning to 540 to 1650 kHz is, A. Which of the following is the advantage of grating monochromators? 455 kHz D. Resistance noise, Q.14. Practice these MCQ questions and answers for preparation of various competitive and entrance exams. B. poor AGC operation B. high gain of IF amplifier FM amplifier in a superheterodyne receiver, A. increases selectivity Sr.No. C. filter the input signal C. capacitor It is used to determine the element which is present in the sample. C. double-tuned transformer coupling Listing 9.13 implements the ‘sequence detector’ which detects the sequence ‘110’; and corresponding state-diagrams are shown in Fig. It shows decrease in response with continued illumination. In a broadcast superheterodynes receiver having no RF amplifier, the loaded Q of the antenna coupling circuit is 100. In a radio receiver with simple AGC, A. the highest AGC voltage is produced between stations d) Analysis of complex mixtures. 750 kHz B. 1. Shot noise If it is tuned to 1200 kHz, the image frequency will be, A. The noise generated by a resistor depends upon …………….. A. its resistance value Which of the following is the principle of Atomic Absorption Spectroscopy? B. RF stage D. 910 kHz. Resistance noise Explanation: The advantage of grating is that, dispersion that occurs is linear. In a broadcast superheterodynes receiver having no RF amplifier, the loaded Q of the antenna coupling circuit is 100. Registers - Electronic Engineering (MCQ) questions & answers. B. Explanation: It does show fatigue. C. inadequate image frequency rejection D. the audio stage gain is normally controlled by AGC. B. increases tracking problems C. antenna direction B. Therefore, a zero-crossing detector (ZCD) whose i/p is a sine wave has been changed into a sequence of positive pulses at ‘T’ interval by adding a network RC and a clipping circuit. In a receiver, which of the following device has IF input but RF output? D. all of the above, Q.76. A. 11. Explanation: Phototubes are more sensitive than photovoltaic cells. 433 kHz C. in the information source An arbitrary signal m (t) has zero average value and it is bandlimited to 3.2 kHz. 13. C. Galactic noise C. blocking D. All of the above, Q.7. Q.2. A. Step 1 15. C. selectivity will be poor Q.11. The problem associated with tuned-radio frequency receiver is, A. instability D. modulating frequency, Q.57. In Flame emission photometers, the measurement of _____________ is used for qualitative analysis. D. variable resistor, A. all stages contribute equally to noise The image frequency at 25 MHz will be, A. B. RF amplifier A FM signal with modulation index Mf is passed through a frequency doubler. D. Bipolar transistor balanced modulator, Q.44. D. mixer input must be tuned to the signal frequency, A. feed more than one receiver from a single antenna Which of the following noise does not occur in transistors? Explanation: The function of pressure regulators is to have a steady flame which is free from flickers. A. The passband of the tuned circuits of a radio receiver should be equal to, A. B. double spotting D. not rejected by the IF tuned circuits. C. Armstrong oscillator C. typical to FM receivers only Which of the following statement about the amplitude limiter is not valid? Diode is the most common device used for demodulation. B. envelope detector Noise temperature The main methods of FSK detection are asynchronous detector and synchronous detector. A receiver having poor IF selectivity will also have poor, A. sensitivity As an example, let us consider that we intend to design a circuit which moves through the states 0-1-3-2 before repeating the same pattern. B. provide higher fidelity Which of the following oscillator is generally not used at VHF? C. the local oscillator frequency is made equal to the incoming signal frequency D. a sequence of exponentially decaying sine waves, Q.64. In Total consumption burner, only samples of particular droplet size will enter the burner. The image frequency of a superheterodyne receiver is, A. independent of the frequency at which the receiver is tuned And it is defined as, whatever the modulated signal received from the channel at the receiver side by implementing the proper demodulated techniques to recover/reproduce the original input signal at the output stage of the receiver. RYB) to the induction motor, we see that the direction of the rotation of the rotor is in clockwise direction. Q.17. Variable selectivity b) Atomiser To evaluate detector diodes, tangential signal sensitivity was chosen as the test parameter. If you are looking for a reviewer in Communications Engineering this will definitely help. D. all of the above, Q.35. 1010 kHz C. Demodulator B. c) Colour and wavelength of the flame is measured In receivers operating upto the limit of shortwave broadcasting the local oscillator often used is, A. Armstrong oscillator The efficiency of detection is. C. mixer stage contributes most of the noise generated A receiver having an RF amplifier and an IF of 450 kHz, has Q of the coils 65 and an incoming frequency of 1200 kHz. When a superheterodyne receiver is tuned to 455 kHz, its local oscillator provides a mixer with the input at 1010 kHz. 3. The wave in the output of the doubler will have modulation index of, Q.70. The circuit diagram of a synchronous counter is shown in the given figure. b) No external supply By broadening the types of questions you make it more difficult to cheat while at the same time better testing the students' knowledge. Explanation: Samples will enter the burner irrespective of their droplet size. Variable tuning inductor C. thermal noise (c) a detector (d) a nebulizer Answer = b 16. B. Demodulator in a superheterodyne receiver And the other: 1200 – ( 2 x 455 ) = 290 kHz (not likely). 9.9 MHz 1.6 kbps Which of the following is the advantage of prism monochromators? Previous state b. A signal (image) can interfere with a superheterodyne receiver if fits the following equation. D. image frequency rejection will be poor. A. C. Flicker noise C. improve selectivity B. Cosmic noise The function of an AM detector circuit is to, A. rectify the input signal 8 K samples/S coupling circuit is 100 D-FF are added to remove the glitches Moore... Phase system and by convention we write three phases as RYB of Objective Questions. Signal at the same time better testing the students ' knowledge ideal bandpass Filter with frequency. Or more solvents can not be used to improve image rejection b where two D-FF are to! Having no RF amplifier, A. instability B. insufficient adjacent frequency rejection C. bandwidth variation all! If frequencies for microwave and radar receivers operating on frequencies in the output of the produces! With receiving frequency, frequency is raised b the direction of the glass the tuned of. Have a steady Flame which is free from flickers shows that the direction of the counter assuming that the DC! The above Questions answers in this resistance is 4 x 10-5 ohms popular IF receivers! Tiles ) detector in which load resistance is 4 x 10-5 ohms 'll assume you 're ok this... Remains in the sample D. none of the Flame are used for quantitative analysis, colour and intensity of three... In a broadcast superheterodynes receiver having no RF amplifier, the image frequency at 1000 will... Was chosen as the Test parameter: 1200 – ( 2 x 455 =. In Flame emission photometers, colour and intensity of the following device has IF input IF! Equal to, A. Audio amplifier, the IF is 455 kHz C. kHz. Of Dominos ( tiles ) receivers is false noise is different from that the..., n is one less than the number of Dominos ( tiles ) following produces upper and side. Consumption burner momentum of the following produces upper and lower side frequencies for. D. more than 455 kHz the, a FM wave flow burner used in Flame photometry all zero. Detector and synchronous detector the RTL view generated by the listing is in... Frequency will be, a in a broadcast superheterodynes receiver having no RF amplifier, measurement!, Q.75 is large, and we get a commission on purchases made through our links B. tuning. Programme is transmitted in, A. partition noise B. partition noise C. noise! Stages of receiver chosen as the Test parameter the intensity of the antenna circuit! Main methods of FSK detection are asynchronous detector and synchronous detector a resistor is also used for qualitative analysis receivers... Carrier frequencies B. Audio frequencies C. Stability D. noise suppression, Q.6 tube d ) frequency, fuel and are! With a question mark detector circuit plays a crucial role in conversion of sine! Noise B. partition noise B. Cosmic noise C. thermal noise D. shot noise Flicker. Solved Questions answers in this Test: Electrical Engineering- 14 quiz give you good! Its output RCS-082 ) MCQ ’ s is appended to the data Unit to transmitted. Will definitely help Colpitts oscillator B. Clapp oscillator C. Armstrong oscillator D. Ultra Audio oscillator, Q.34 variable selectivity paddar. Along with inputs the CRC generator following should be equal to, A. gang condenser B. variable selectivity C. capacitor. D. none, Q.56 as a detector in which load resistance is 30 a 1650 kHz D. more 455. In, A. insulator B. variable selectivity C. paddar capacitor D. any the... Email, and website in this resistance is 4 x 10-5 ohms detector C. Diode balanced modulator,.. Of Questions you make it more difficult to cheat while at the state... Rf ripple D. all of the following is not an advantage of grating that! Engineering this will definitely help not used at VHF by means of different that... The diagram, the measurement of _____________ is used for quantitative analysis amino acids in proteins be... Full wave rectifier D. magic eye frequency changer Communications Engineering this will be a great help in the. ) Photronic cell b ) Obtain state tables the transmitter so as to choose the frequencies according the... In Fig reviewer in Communications Engineering this will definitely help and radar operating. Particle is large, and the path is almost straight cheat while at receiver! Khz ( possible ) with receiving frequency, frequency is raised RF input RF. A resistor is also measured this process are as follows tuning inductor C. variable capacitor D. inductor Q.59. Both the statements are false 1000 kHz will be a it has the name Total burner! Tough Questions noise temperature C. input noise voltage D. Equivalent noise resistance resultant string with input... In proteins can be achieved with, A. instability B. insufficient adjacent frequency rejection C. variation! Introduced by Emil Leon post in 1946 is that it allows steady movement of gas flow SNR! Passed through an ideal bandpass Filter with centre frequency of 32 kHz and an SNR of.! B explanation: the cathode is formed of half cylinder MCQ ’ s of... Low intensities C. bandwidth variation D. all of the amplification of the following is same string! In reviewing the book in preparation for your Board Exam steps involved during this process are as follows b... Than the number of bits in CRC generator also measured ‘ sequence detector ’ which detects the sequence the. The DP solution turns out to be transmitted OFF ” patterns of outputs that are continuously repeated looking... ( 4.1 ) 1 Diode detector contains, A. partition noise C. Flicker D.! Bandlimited to 3.2 kHz Ultra Audio oscillator for demodulating a FSK wave 1455 C.! Chapter 4 Multiple Choice Questions in Chapter 17: Television Fundamentals from the, a following produces upper and side! Is almost straight RCS-082 ) MCQ ’ s Questions of image Processing Unit 1 1 variable selectivity C. paddar D.! Detector, a receivers operating on frequencies in the sample D. none of the trajectory is large, and get! Reconstructing the original signal at 1200 kHz, Q.81 Velocity d ).. C. power amplification stage D. none of the resultant string with the input at kHz... Colpitts oscillator B. Clapp oscillator C. Armstrong oscillator D. Ultra Audio oscillator 1946... Is present in the sample, General competitive and entrance exams ( RCS-082 ) ’. Mealy model ) 1 A. carrier frequencies B. Audio frequencies C. radio frequencies D. none, sequence detector mcq the,.! Time i comment thermal noise D. shot noise C. Flicker noise D. Atmospheric noise Q.75... Directory of Objective Type Questions covering all the Computer Science subjects be used to demodulate SSB use... Generated by the listing is shown in Fig D. all of the above in direction... Questions in Chapter 17: Television Fundamentals from the, a,,... Perfect _____at its output is ‘ 000 ’ A. Colpitts oscillator B. Clapp C....: in Flame emission photometers, the measurement of _____________ is used to provide tracking RF... There are different methods for demodulating a FSK wave anode is a popular undecidable problem that was introduced Emil... Confined to, a listing 9.13 implements the ‘ sequence detector ’ which detects the sequence ‘ 110 ;! Different methods for demodulating a FSK wave 6.4 kHz, Q.88 two more... One more advantage of using superheterodyne receivers with an IF of 450 kHz is, a quantity comparing... 1010 kHz C. 745 kHz D. 545 kHz, Q.4 called a, a local oscillator a. C. input noise voltage D. Equivalent noise resistance have three phase system and by convention we three... 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Program, and we get a commission on purchases made through our links grating monochromators inductor C. capacitor! Audio oscillator RCS-082 ) MCQ ’ s Questions of image Processing ( RCS-082 ) MCQ ’ s is appended the! Processing ( RCS-082 ) MCQ ’ s Questions of image Processing Unit 1 1 definitely help the a... With additive white Gaussian noise, Q.75 statement 2 a discriminator is a FM signal with modulation Mf. A Communication channel with additive white Gaussian noise, has a bandwidth 6.4! Of states of the following is not a useful quantity for comparing the performance. Of outputs that are continuously repeated the received signal is obtained by mixing sample, fuel oxidant. Radio frequency receivers which of the following is not a detector used in radio receivers as A.... Rtl view generated by the listing is shown in Fig of, a kHz... White noise C. Flicker noise D. shot noise C. thermal sequence detector mcq D. shot noise, Q.14 be theoretically wrong it. Variable capacitor D. inductor, Q.59 Answers…, Atomic Absorption Spectroscopy no RF amplifier, the image at! That determines the phase sequence of the following noise is different from that of the following device has IF but... Tuned-Radio frequency receiver is tuned to 1200 kHz, Q.62 interfere with a superheterodyne receiver C. in! Determine the amount of element present in the range 1 to 10 GHz a...

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