right. To apply the loop rule you would add the voltage changes of all circuit elements around the chosen loop. The figure contains two junctions (where three or more wires meet)--they are at the ends of the resistor labeled R3 . The battery supplies a constant voltage Vb ‚ and the resistors are labeled with their resistances. The ammeters are ideal meters that read I1 and I2 respectively. The direction of each loop and the direction of each current arrow that you draw on your own circuits are
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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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Automatic Street Light [pic] Submitted By: Introduction Automatic Streetlight needs no manual operation for switching ON and OFF when there is need of light. It detects itself weather there is need for light or not. When darkness rises to a certain value then automatically streetlight is switched ON and when there is other source of light i.e. day time‚ the street light gets OFF. The sensitiveness of the street light canal so be adjusted
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experiment is to become familiar with lab instruments‚ get an idea about their working structure and how to use them when necessary. In addition to that in the first part of the experiment our aim is to read color codes of resistors and get idea about how to use multimeter for resistor measurements. In the second part of the experiment our aim is to see the operation of function generator and DC voltage source‚ how to use multimeter to measure AC and DC voltage and how to use multimeter to measure
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Table of Contents List of tables 3 List of Figures 4 1Introduction 5 2 Circuit diagram 6 3 Circuit components 7 3.1 LDR 7 3.2 Resistors 8 3.2.1 Color code 8 3.3 IR LED 9 3.4 LED 11 3.5 OP-AMP 12 3.5.1 OP AMP LM 324 13 3.6 Transistor 15 3.6.1 Transistor 2N2222 15 3.7 SCR 16 3.7.1 SCR C106MG 18 C106MG 19 3.8V Battery 19 3.9 Photo diode 20 Principle of operation 21 3.9.1 IR Photo diode 21 3.10 Switches 22 3.11 Buzzer 23 3.11.1Mechanical buzzer 24 3.11.2 Electromechanical buzzer 24 3.11.3 Piezo buzzer
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which involved using the resistors. (iv) Familiarised with the multimeter and used it to take measurements (v) the experiment board which was used to do create most of the circuits and take the necessary measurements. Procedure 1: The measurement of resistance. The resistances of the 5kΩ and 22kΩ resistors were found using the theory and by taking the actual readings. The resistances of the resistors were first measured by comparing the colour bands on the resistors to the colour code chart
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the resistor‚ voltage and current. That voltmeter will have a higher reading than ammeter. Materials * Power pack * Piece of nidrome * 50 cm long or a resistor * Hear proof mat * 6 connecting wires * Alligator clips * Resistor( 100Ω) * Voltmeter * Ammeter Variables Independent: the amount of voltage Dependent: the reading of both the multimeters and the temperature of the resistor‚ the amount of ohms. Controlled: Heat of the resistor from
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ELECTRICAL ENGINEERING LABORATORY SESSION 1 Title: RESISTOR NETWORKS Name:Richard Lancaster Date: 11th Sep 2010.Student Name: Richard Lancaster. Id No: (09099972) Course: B.Sc. Engineering Science Subject: Electrical Engineering Lecturer: Dr Martin Hayes Objectives: 1. Introductory familiarisation with D.C measurements. 2. Introduction to the use of pSpice as a tool for emulating circuits. pSpice v9.1 can be downloaded from Moodle or via http://www.electronics-lab.com/downloads/schematic/013/
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A MINOR PROJECT REPORT ON “AUTOMATIC WATER LEVEL CONTROLLER” A Dissertation submitted on “AUTOMATIC WATER LEVEL CONTROLLER” Fulfilled as a part of curriculum in VI Sem of Bachelor of Engineering (Electronics and Communication) for Rajiv Gandhi Proudyogiki Vishwavidyalaya‚ Bhopal session-2011-12 Guided by: Submitted By: Prof.Rahul Pal Rohit Kumawat Co-guide:
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FIGURE 3 From Figure 3: A diode in series with a resistor is connected across the inductor to resolve the arcing phenomena across the switch. At t 0‚ when the switch is opened‚ the diode is forward bias hence allowing current to its branch. The current‚ I in this circuit is then given by: (VL - VF ) /R ‚ where VF is the forward voltage drop of the diode. The stored energy in the inductor is dissipated as heat in the resistor. Consequently‚ there will be no more arcing or ‘sparks’ across
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