The operating principle of ramp type digital voltmeter is to measure the time that a linear ramp voltage takes to change from the level of the input voltage to zero voltage (or vice versa). Resolution depends on __________ 1 – Digital Voltmeter and Multimeter a) 10 cycles/second Digital Voltmeters: Introduction, RAMP technique, DualSlope Integrating Type DVM, Integrating Type DVM, MostCommonly used principles of ADC, SuccessiveApproximations, Continuous Balance DVM, -Digit,Resolution and Sensitivity of Digital Meters, GeneralSpecifications of DVM, Microprocessor based Ramp typeDVM. c) 50 cycles/second The sample-rate multivibrator determines the rate at which the measurement cycles are initiated. When a dual-slope AID converter is used for a DVM the counters may be decade rather than binary and the segment and digit drivers may be contained in the chip. c) The saturation voltage V CE for silicon transistor is same as that for germanium. View Answer, 6. A typical DVM is shown below. This voltmeter employs an integration technique which uses a voltage to frequency conversion. d) by using a transformer Ramp Type VM: The operating principle of the ramp type DVM is based on the measurement of the time it takes for a linear ramp voltage to rise from 0 V to the level of the input voltage or to decrease from the level of the voltage to zero. Measurement cycles are initiated C. It oscillates D. Its amplitude varies ANSWER: (c) Both a and b. RAMP type DVM 7. The staircase ramp technique is a simpler version of linear ramp technique. Home >> Category >> Electrical Engineering (MCQ) questions and answers >> Electronic instruments; 1) Q meter is used to measure the properties of. d) an asymptotic ramp technique ; Current (I) will circulate in the circuit. Functional block diagram of a positive ramp type DVM is shown below. This set of Electrical Measurements & Measuring Instruments Multiple Choice Questions & Answers (MCQs) focuses on “Ramp Type DVM”. Decimal counter. 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Rectifier type voltmeter, electrostatic type and also digital voltmeter (DVM) can measure both AC and DC voltages. d) oscilloscope d) current Two types of voltmeters are available for the purpose of voltage measurement i.e. View Answer. © 2011-2021 Sanfoundry. View Answer, 8. Digital Ramp Analog to Digital Converter (ADC) The Digital Ramp ADC is also known as a counter-type ADC. Continuous-balance DVM a) ±12 V In a ramp type DVM, the multivibrator determines the rate at which the A. These instruments measure the electrical potential difference between two conductors in a circuit. It remains constant c. It decreases monotonically The ramp voltage continues to decrease with time until it finally reaches 0 V (or ground potential) and a second comparator generates an output pulse which closes the gate. SOL. Subscribe to electronics-Tutorial email list and get Cheat Sheets, latest updates, tips & c) counter This time interval is measured with an electronic time interval counter and the count is displayed as a number of digits on electronic indicating tubes of … a) The saturation voltage V CF of silicon transistor is more than germanium transistor. Dual slope type DVM . 1. 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It is called as null balancing technique. Conversion from a voltage to a time interval is illustrated by the waveform diagram of Figure below. Ramp-Type DVM. An op-amp employed as an integrator. How is input voltage measured? The decimal number, displayed by the indicator tubes associated with the DCUs, is a measure of the magnitude of the input voltage. a) clock In contrast, the ramp type DVM s amples the voltage at the end of the measuring period. This time interval is measured with an electronic time interval counter and the count is displayed as a number of digits on electronic indicating tubes. The operating principle of the ramp-type DVM is based on the measurement of the time it takes for a linear ramp voltage to rise from 0 V to the level of the input voltage, or to decrease from the level of the input voltage to zero. Circuit shown is a 4 bit Digital Ramp ADC Multiple Choice Question (MCQ) of Electronics page-17:241. analog and digital. 11 Types of Multiple Choice Questions + [Examples] Image Multiple Choice Questions. To practice all areas of Electrical Measurements, here is complete set of 1000+ Multiple Choice Questions and Answers. a) by using a voltmeter Important MCQ questions for GATE, ESE Engineering Service Examination, IES, PSU Examination and Study Material For Electrical and Electronics Engineering in Circuit Theory, Network Theory, Material Science, Power System, Control System, Measurement, Power Electronics, Transformer and Electrical Machine, Control System, EMT, Power Electronics, Microprocessor and Communication System. Manish Bhojasia, a technology veteran with 20+ years @ Cisco & Wipro, is Founder and CTO at Sanfoundry.He is Linux Kernel Developer & SAN Architect and is passionate about competency developments in these areas. Which of the following statement is true? Induction meters are not used because of their high cost, inaccuracy in measurement. When an unknown voltage signal is applied to the input terminals of the instrument, a negative-slope ramp waveform is generated internally and compared with the input signal. View Answer, 4. b) by counting the pulses This time interval is measured with an electronic time-interval counter, and the count is displayed as a number of digits on electronic indicating tubes. 3. a. fulton b. fulcrum c. furmen d. falcon b 5. b) time measurement d) 5 cycles/second The time which a ramp voltage takes to change from the level of the input voltage to that of 0 voltage or vice versa. The sample-rate circuit provides an initiating pulse for the ramp generator to start its next ramp voltage. Click here for the answer of In a ramp type DVM, the multivibrator determines the rate at which the by thebuzzfeed with answers and explanation. Block of logic circuitry. 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