resistive devices typically fabricated by laying a strip of resistive ink on a flexible plastic substrate‚ shaped as a thin‚ flexible stripe in lengths between 1” and 5”. At rest (when laid flat)‚ the bend sensor is characterized by an intrinsic resistance. As the sensor is bent‚ the resistive materials inside it are pulled further apart. Fewer adjacent resistive particles
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1. Advantages of photodiode: Select one: a. It is Very small b. Voltage generating characteristic c. It has fast time response d. It has slow response 2. Advantages of PLCs than Hard wired Relay: Select one: a. easily programmable b. Highly reliable c. None of these d. both Highly reliable and easily programmable 3. Approximately 400nm to 760 nm range is for Select one: a. Visible light band b. Far Infrared c. Ultraviolet d. Microwave 4. Discrete state process control
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Introduction The Carey Foster bridge is an electrical circuit that can be used to measure very small resistances. It works on the same principle as Wheatstone’s bridge‚ which consists of four resistances‚ P‚ Q‚ R and S that are connected to each other as shown in the circuit diagram in Figure 1. In this circuit‚ G is a galvanometer‚ E is a lead accumulator‚ and K1 and K are the galvanometer key and the battery key respectively. If the values of the resistances are adjusted so that no current flows through
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parallel circuits. The laws on series and parallel resistors‚ as well as the color code for resistors were observed to calculate the total resistance. The proper connection for ammeter and voltmeter was also conducted and the readings for the voltage and current were obtained. 1. Introduction The objectives of the experiment are to determine the resistance of a resistor based on its color code and to verify the laws on series and parallel resistors‚ as well as the cells. Some practical applications
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www.gretousvisa.com STATEMENT OF PURPOSE Communications is an industry that has changed the definition of human interaction. A couple of centuries ago‚ sending a message from USA to India would take months. Now it takes hardly a second. The process of interacting with people over wires or through air thrills me and hence I decided to excel in the field of Communications by pursuing Master’s degree from xyz University. I took up Electronics and Telecommunications as my major for an engineering Bachelor’s
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Neeru2012-10-23T12:15:00 CLASS 10 ELECTRICITY 1. How much current will an electric heater coil draw from a 220 volt line‚ if the resistance of the heater coil is 40? (1 Mark) (Ans) Given‚ R= 40‚ V=220 V We have the relation‚ I = V/R = 220/40 = 5.5 A 2. What is electric current? (1 Mark) (Ans) The rate of flow of charge per unit time through a conductor is called electric current. 3. What is the SI unit of electric current? (1 Mark) (Ans) The SI unit of electric current is ampere
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Electricity and Magnetism Electricity Circuit symbols Potential difference The energy which is delivered to an electric circuit comes from the supply. The greater the potential difference of the power supply the more energy is delivered. Potential difference is measured in volts‚ which has the unit symbol V. Cells in series The more chemical cells that are connected in series the greater the potential difference that they supply. The potential difference of a number of cells connected
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Activity 1.1.2 Investigating Basic Circuits (DLB) Introduction What is an electrical circuit? How can you manipulate components and design a circuit that will do what you want it to? This guided activity will introduce you to some components‚ tools‚ and concepts that are fundamental in electronics. It will allow you to investigate and discover: What are voltage‚ current‚ and resistance? How are they related to one another? What are some of the basic components that make up simple circuits and what
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digital multimeter (DMM). This meter can measure three basic electrical properties voltage‚ current and resistance. 2. What is the function of the COM connection? What color lead is placed in this connection? It’s the common ground and is used in all measurements. Black lead is placed in this connection. 3. What is the function of the “VWmA” connection? What color lead is placed in this connection? It’s used to measure voltage and resistance. Red lead is places in this connection. 4. Pick five resistors
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Chapter 3: Current and Resistance Quick Quizzes - QUESTIONS 1. Consider positive and negative charges moving horizontally through the four regions in Figure 17.2. Rank the magnitudes of the currents in these four regions from lowest to highest. (Ia is the current in Figure 17.2a‚ Ib the current in Figure 17.2b‚ etc.) (a) Id ‚ Ia ‚ Ic ‚ Ib (b) Ia ‚ Ic ‚ Ib ‚ Id (c) Ic ‚ Ia ‚ Id ‚ Ib (d) Id ‚ Ib ‚ Ic ‚ Ia (e) Ia ‚ Ib ‚ Ic ‚ Id (f) none of these [pic] Figure 17.2 2. Suppose a current-carrying
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