Basic Electronics Chapter 2 Basic Electrical Principles and the Functions of Components Figures in this course book are reproduced with the permission of the American Radio Relay League. This booklet was compiled by John P. Cross AB5OX PHYS 401 Physics of Ham Radio 25 Basic Electrical Principles • Conductors - keep loose grip on their electrons and allow electrons to move freely. Metals are usually good conductors. • Insulators - keep close hold of their electrons and do not
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Date : 26/02/2014 Submission Date : 05/03/2014 Measurement of Resistance and Ohm’s Law Department of Physics‚Işık University Meşrutiyet Köyü‚Üniversite Sokağı‚No:2 34980 Şile‚İstanbul Abstract In this experiment we used two multimeters‚ a set of resistors‚ a bundle of connecting wires and a DC power supply. By this experiment we learned how to use the electrical instruments‚ simple circuit elements and we studied Ohm’s law. Theory In electrical circuits‚ we are concerned
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BASIC ELECTRICITY TEST TEST INFORMATION PAMPHLET WHY DO AT&T AND ITS AFFILIATES TEST? When individuals are being considered for our available job openings‚ they go through a selection process to measure their knowledge‚ skills and abilities to determine if they can perform the jobs in a satisfactory manner. It is to the advantage of both you‚ as a job candidate‚ and the company that only those who can perform at acceptable levels be placed on the job. Research has shown that tests provide accurate
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Which Fruit or Vegetable Generates the Most Electricity? Abstract People always talk about saving energy‚ or becoming “eco-friendly”. People have found many ways to produce electricity‚ but have they ever tried fruits or vegetables? This project finds which fruit or vegetable produces the most electricity. I tested ten different fruits and vegetables (independent variable) to see which generated the most electricity by measuring the amount of electricity produced in mV (dependent variable)
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8 Cross over cable is used to connect two similar devices e.g 2 computers. The straight cable is used to connect two dissimilar devices e.g computer and switch. Exercise 4.1.9 S1 and S2 will require a crossover cable. Exercise 4.1.10 A multimeter or a multitester‚ also known as a VOM (Volt-Ohm meter)‚ is an electronic measuring instrument that
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Case Study: Does the Sun’s Angle Affect the Output Of a Solar Cell? Abstract During the experiment to determine Solar Cell Energy‚ one unit of flexible solar cells was exposed to solar radiation at different angles in one axis of rotation. The cells were attached to a adjustable plane with a protractor that acted like a “see-saw” to adjust the angle of the solar cells to the Sun. Around the plane‚ a column of cardboard was constructed with black fabric covering the inside
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The following is a project made by anonymous: INTRODUCTION The general purpose photoconductive cell is also known as LDR – light dependent resistor. It is a type of semiconductor and its conductivity changes with proportional change in the intensity of light. There are two common types of materials used to manufacture the photoconductive cells. They are Cadmium Sulphide (CdS) and Cadmium Selenide (CdSe). Extrinsic devices have impurities added‚ which have a ground state energy closer to the conduction
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Fixed Variables: The variables I kept constant to make it a fair test; were‚ the type of wire (nichrome)‚ the thickness of the wire‚ and the temperature of the room (®C). List any four pieces of equipment: Multimeter (ohmmeter)‚ g-clamps‚ nichrome wire‚ wire cutters. Apparatus: Multimeter (ohmmeter)‚ ruler‚ wire cutters‚ two leads‚ g-clamps‚ crocodile clips‚ nichrome wire‚ safety goggles. Tasks List any four tasks: I will gather the equipment I need. I will record the resistance of the wire
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Accountability and the Importance of Taking Care of Your Equipment "Accountability" stems from late Latin accomptare‚ meaning to account. Accountability in the military is the obligation imposed by law or lawful order or regulation on an officer or other person for keeping accurate record of property‚ documents‚ or funds. The person having this obligation may or may not have actual possession of the property‚ documents‚ or funds. Accountability is concerned primarily with records‚ while responsibility
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will be separate tools combined to substitute one‚ including a LED light source (flashlight)‚ a photoresistor‚ and a multimeter‚ which measures the resistor value of the photoresistor. The reason the photoresistor is used is because it can show if the water is actually dirty or not objectively‚ because the naked eye is subjective. When the photoresistor is covered‚ the multimeter-which is connected to the photoresistor‚ indicates a higher resistor number when there is less light‚ and lowers in number
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