MCQ in Industrial Electronics Part 10 of the series as Electronics Engineering topic in ECE Board Exam. L.V.D.T., thermocouple, thermistor, etc. In case, there are two or more nos of stages of transduction, then it is called secondary type. When the analog input signal enters the PLC you will often have to scale it in your PLC program. Q.114.The gauge factor of a strain gauge is given as (a) G=ΔR/R/ Δl/l (b) G=Δl/l / ΔR/R (c) G= ΔR/R/ ΔD/D (d) none of these A pinoybix mcq, quiz and reviewers. Digital to analog converting is a process where digital signals that have a few (usually two) defined states are turned into analog signals, which have a theoretically infinite number of states. Digital transducer. When sensors are used at input of a system, actuators are used to perform output function in a system as they control an external device. c) Secondary. a) Active b) Passive c) Secondary d) Inverse Ans : (a) 2. Q.46. Following is the block diagram of an input transducer. A Signal Converter is a device that converts signals from sensors to industrial current signals, converts analog input signals to analog output signals, normalizes signals, or isolates signals. What converts physical input into output, among the basic parts of a measuring system? d) Inverse. All that is needed is a simple low-pass filter made from a resistor and a ceramic capacitor. Strain Gauge LVDT Thermocouple Thermistor Digital Transducers-These transducers convert the input quantity into an electrical output which is in the form of pulses. What is transducer? What will be the output of an integrator if sine wave is applied at the input? Analog signal b. But here is the issue—analog sensors output data in an analog format which a microcontroller cannot understand. The transducers that converts the input signal into the output signal, which is a discrete function of time is known as _____ transducer. However, when analog devices are involved, interfacing becomes much more complex. Thus a strain gauge, an LVDT, a thermocouple or a thermistors may be called analog transducer, as they give an … This digital output consists of a number of bits that represent the value of the analog input. An analog to digital converter (ADC) converts an analog signal into digital form, shown in Figure 14.4. One example of such an application is using the photodiode sensor to measure light intensity. a) Digital b) Analog c) Active d) Pulse Ans : (a) 3. Answer : These transducers convert the input quantity into an analog output which is a continuous function of time. Passive: Does sensor draw energy from the signal ? Transducer/Sensor Excitation and Measurement Techniques. a) Active b) Analog c) Digital d) Pulse Ans : (c) 3. This is derived using the calculation 2^10 = 1024, so the range ends up being 0-1023. Basically ADC is used to convert the analog signals into a digital signal. Another advantage of the opamp circuit is that the voltage across the … ADC converter or analog input module will convert this analog signal into digital form, and the range of … The transducers that converts the input signal into the output signal, which is a discrete function of time is known as _____ transducer. The transducers that converts the input signal into the output signal, which is a discrete function of time is known as _____ transducer. c) Digital. Types of Sensors 1. This input transducer converts the non-electrical physical quantity into an electrical signal. Creating a real DAC Fortunately, it is easy to convert a PWM output to an analog voltage level, producing a true DAC. Analog Transducers-These transducers convert the input quantity into an analog output which is a continuous function of time. ADC calculator EXAMPLE#1: INPUTS: n = 3, Analog input (V_in) = 5.5V, Ref_voltage (V_ref) = 8 V OUTPUT: 5 numeric (decimal), 101 (binary) Analog to digital converter calculator EXAMPLE#2: INPUTS: n = 10, Analog input (V_in) = 0.806V, Ref_voltage (V_ref) = 3.3 V OUTPUT: 250 numeric (decimal), 1111 1010 (binary) n-bit ADC calculator formula | ADC conversion formula These short solved questions or quizzes are provided by Gkseries. The physical parameters that any microcontroller processes come from sensors. The analog output from the sensor is processed by the ADC (Analog to Digital Converter) of the microcontroller. b) Analog. Q9. Transducers are the devices that convert energy in one form into another form. _________ board allows sewn into … This type of transducer converts the input quantity into an analog output which is a continuous function of time. Analog Pressure Sensor The simple RC low-pass filter shown in the third photo converts the PWM signal to a voltage proportional to the duty cycle. In this section of Digital Logic Design - Digital Electronics - Wave shaping Clipping Clamping and Sweep Circuits MCQs (Multiple Choice Questions and Answers),We have tried to cover the below lists of topics.All these MCQs will help you prepare for the various … 1. If both have a resolution of 12 bits, the smallest divisible voltage for the 0 … 1.2.2. flow (m3/s), weight (kg) or temperature (degrees). b) Passive. a) Active b) Analog c) Digital d) Pulse Ans : (c) 3. Figure 1 gives the block diagram of an analog instrumentation system. a) Active b) Passive c) Secondary d) Inverse Ans : (a) 2. A transducer converts one form of energy to another. The ADC converts this analog input to a digital output. c) Null and deflection methods d) Input – Output configuration So for easy understanding here I am taking a temperature sensor as analog input and ADC0804 to convert the analog input in digital format. Analog Transducer – The Analog transducer changes the input quantity into a continuous function. by Albert O'Grady Download PDF Introduction. it have many applications in electronics projects.ADC converts the quantities of real world phenomenon in to digital language which is used in control systems, data computing, data transmission and information processing. A multiplexer is a device which converts many signals into one c. It takes one input and results into many output d. 1. The output of the photodiode sensor is a current which changes proportional to the light intensity. If such conversion takes place at one step, then it is a primary transducer. It is a type of decoder which decodes several inputs and gives one output b. what is a multiplexer? The analog signal can be the output of some sensor and it converts by ADC in digital format for further processing. Q.113.A transducer is basically a device which converts (a) mechanical energy into electrical (b) energy or information from one form to another (c) mechanical displacement into electrical (d) none of these. Self generating type transducers are _____ transducers. For example, let's assume that we are using a sensor that converts an analog amount to 0 to 5 volts. Answer: Transducer is a device which is used to convert one from of energy into another. a. Analog-to-Digital Converter (ADC) The transducer’s electrical analog output serves as the analog input to the ADC. This amplifier amplifies the low level output signal of the transducer to such a level that it can drive the indicator or display. Note:- Temperature controller provides 0-10V DC signal to PLC. Self generating type transducers are _____ transducers. Digital signal c. Both analog and digital signal d. none of the mentioned Q.21. The transducer present at the input of the communication system is known as an input transducer. An analog to digital converter (ADC) is an electronic device which converts varying analog signals into digital signals so that they can easily be read by the digital devices. An engineering value is a number that represents the physical value e.g. So by using conversion instruction analog value from the RTD (MW100) is converted into actual analog value (MD104). Self generating type transducers are _____ transducers. Q11. So, between a device with an input range of 0 to 10 V and one with 0 to 5 V, which is effective? Explanation: It has 14 digital pins input/output pins of which 6 can be used as PWM output, 6 analog inputs, a USB connection, a power jack, a reset button and more. b) Digital vs. Analog: Is the signal discrete or continuous? Question 17. are examples of Analog transducers. An analog-to-digital converter, or ADC, performs the former task while a digital-to-analog converter, or DAC, performs the latter. a) Transducer or sensor b) Signal conditioning c) Intelligence d) Display View Answer Answer: a Explanation: A transducer or a sensor is a sensing device used to convert physical input to output especially voltage. As discussed above, how sensors are classified and how to select a sensor, now it’s time to know about different sensors in nature and how they are used in the industrial applications. What Is Analog Transducer? d) Pulse. What scaling means is that you convert the raw value from the analog input to some sort of engineering value. The strain gauge, L.V.D.T, thermocouple, thermistor are the examples of the analogue transducer. Hence, we need a way to electronically translate analog signals into digital (binary) quantities, and vice versa. A sensor converts a physical event into an electrical signal, whereas an actuator converts electrical signal into a physical event. – Signal conditioning : converts the sensed signal into an analog or digital electrical value real world A/D transducer signal Signal conditioning sensor input signal (measured) microcontroller signal processing sensed data communication network display. These short objective type questions with answers are very important for Board exams as well as competitive exams. a) Active. This is the Multiple Choice Questions Part 7 of the Series in Computer Fundamentals as one of the Electronics Engineering topic. Sensors are transducers that convert a physical parameter like temperature into electrical signals that the microcontroller can understand. Performance and terminology Input Transducers. Q.45. An embedded system uses the ADC to collect information about the external world (data acquisition system.) 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