Electricity Essay Examples

Essays on Electricity

Common Electrical House Appliances Problem And How To Fix It
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Pages • 7
Common Electrical House Wiring Mistakes People Do A house is incomplete without beautiful lights, fans and electrical gadgets that suffice the daily needs of a family. As important as the family bond and love is, so are the basic electrical appliances, to keep the home working in peace. It is important to have these electrical appliances and it is more important to fix them right. The beauty of homes should remain intact while wiring these essential appliances however many a…...
Magnetism and Electricity
Words • 1050
Pages • 5
Diagram Preliminary results. Voltage Length of wire Current Resistance? Preliminary Conclusion. From these results it is evident that two 1. 5 Volt batteries should be used because they produce the desired range of current. However, when the length of wire is 10cm the current is too high because the temperature of the wire increased instead of staying constant. Therefore the range of the lengths in the investigation is 20cm to 100cm. These results conclude that to produce the desired range…...
The Renewable Energy Future Of Solar Power Environmental Sciences Essay
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Pages • 15
Due to the predicted deficit of fossil fuels and other non-renewable energy beginnings, research is now looking at options. These options are known as renewable energy. Renewable energy efficaciously uses natural resources such as sunshine, air current, rain, tides and geothermic heat, which can be of course replenished. If the usage of renewable energy is n't explored for future usage, we may be populating without contraptions we take for granted today. For illustration, conceive of a winter without a warmer…...
ElectricityEnergyEnergy And EnvironmentPowerRenewable EnergyScience Our Future
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Magnetic Effects of Electric Current
Words • 1414
Pages • 6
Magnetic effect of electric current is one of the major effects of electric current in use, without the applications of which we cannot have motors in the existing world. A current carrying conductor creates a magnetic field around it, which can be comprehended by using magnetic lines of force or magnetic field lines. The nature of the magnetic field lines around a straight current carrying conductor is concentric circles with centre at the axis of the conductor. The direction of…...
Resistance in a Conductor
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Pages • 14
The aim of this investigation is to discover the factors affecting resistance in a conductor. I will use what I believe to be the most effective method and experimentation in order to come to a fair conclusion and accurate evaluation. Secondary sources will be used in order to confirm any theories or motives that I may use, and all conclusions will be explained using scientific theory or the results from the experiments that will be carried out. Each experiment will…...
ElectricityPhysicsScienceScientific method
Can the world sustain our increasing dependency over electricity?
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Pages • 4
Electricity is the means through which all the equipments we use operate. Though there are many sources of energy, almost all the equipments in use today need them to be converted to electrical energy before use. Electricity allows modern appliances and more convenience in our life. It has made life easier and quicker for us. Our current lifestyle is totally dependent on electricity so much so that our life would literally go to waste had there been no electricity. However,…...
ElectricityEnergyRenewable EnergyWorld
500-600 Word Electricity And Magnetism
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Pages • 6
Resistors are often made to have a specific value of resistance so that the characteristics of the circuit can be accurately calculated. We can explain the flow of current through a resistor by comparing it to water flowing through a pipe. A pressure difference maintained across two ends of the pipe by a pump is like the potential difference, or voltage, across a wire maintained by a battery. The rate of flow of water, analogous to the rate of current,…...
Forecasting electricity consumption demand with weather
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Pages • 7
Forecasting electricity consumption demand with weather: A comparison of regression analyses Abstract The major element of electricity resource planning is forecasting the upcoming electricity consumption. Precise forecast of electricity consumption is of primary importance in developing countries' energy planning. In the last decade, several new techniques have been used for energy consumption planning to accurately forecast future electricity consumption requirements. Consumers' living standards may vary depending on their weather sensitivity. Therefore, electricity demand is influenced by weather changes. This paper…...
Smart Equipment Monitoring
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ABSTRACT In our daily life we use electricity for different purposes, but we know most of people are waste the electricity. This system will be used to save electricity in efficient way in most of schools and agencies where so many people are doing study or work , but some of them leave their class or office without switching off lights and fans , from this we got idea to make a project that automatically switched off lights and fans…...
Advanced TechnologyElectricityElectronics
Autonomous mobile robots (AMR)
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Pages • 5
Autonomy is the ability to solve the problem and make your own decisions. In human's, autonomy permits us to do meaningful not to mention meaningless, tasks. This consists of things like talking, walking, opening doors, pushing buttons and changing light bulbs. In robots, autonomy is indeed no different. Autonomous mobile robots (AMR) are robots that can perceive its environment, make decisions based on what it perceives and/or has been programmed to recognize and then actuate a movement or manipulation within…...
Words • 616
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INTRODUCTION1.1 Background of the StudyPiezoelectricity, derived from the Greek word Piezein, which means pressure, is the ability of a material to generate an internal electric field when subjected to mechanical stress or strain (Berlincourt, 1971). A factual connection of piezoelectric phenomena and crystallographic structure was published in 1880 by French physicists Pierre and Paul-Jacques Curie in which they discovered that when they compress certain types along certain axes of crystals, such as Quartz, Tourmaline, and Rochelle salt, a current of…...
Comparing Electrical Output of Batteries
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Real world application The whole purpose of this experiment was to determine the electrical output of several brands of AA, CC, AAA, DD batteries, comparing popular brands like Duracell and Energizer with less expensive and less known brands. The second purpose was to compare the output voltage power of batteries at room temperature versus at freezer temparature. And do see which one has more output voltage. this experiment will help consumers make good purchasing decisions when it comes to batteries,…...
BusinessBusiness ManagementElectricityExperiment
Tripping in electricity supply
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Pages • 9
Tripping means the interruption in electricity supply. An electric line is tripped if it starts carrying the fault current or it gets broken or due to several other reasons. It is a protective measure that essentially isolates the faulty lines from the rest of the healthy sections. So basically cascade tripping is tripping of protective devices to isolate the part or parts of the system to avoid the damage to the load and the system equipment. Sometimes tripping of power…...
Physics Lab Report on Lightbulb as a Resistor
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Concept The main concept in this lab report was to analyze whether or not a lightbulb acted as a resistor. A resistor is any material that reduces or limits the amount of electrical charge that flows past a certain part of the circuit. How well a substance limits this flow is the object's resistance (). Resistors follow Ohm's LawV=IR where voltage is equal to current (A) multiplied by resistance (). This formula can be rewritten as I=V/R. When the voltage…...
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CHAPTER 1INTRODUCTION AND BACKGROUNDOVERVIEW OF CHAPTER 11.0 AIM Design of and an economic analysis of a stand-alone solar system for an off-grid village shop. 1.1 INTRODUCTION More than a billion people live without access to electricity in developing countries. Energy has long been considered as one of the key fundamentals of modern life and if one does not have energy, then they are poor. Absence of energy influences individuals from numerous points of view, kids have less hours to study,…...
AimDesignEconomicsElectricityNatural GasSolar Panels
Importance of Cell Balancing for Quality Of Product
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Cell Balancing Overcharging, and over discharging, of Li-ion cells causes permanent damage, also is a significant safety issue. Therefore, reliable control of each cell voltage is mandatory. Battery cells are connected in parallel and in series to obtain greater energy capacity and voltage. The parallel connections are simple to operate since the cells emerge as a full single cell, and cell management is simple. The current divides corresponding to the internal resistance of the individual cell, and the terminal voltage…...
Wind power is used to produce electricity a type of renewable energy
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Wind power is used to produce electricity, a type of renewable energy source that can be relied upon mainly to produce future renewable energy for the world. The world seeks to produce electricity from renewable sources for two main reasons. The first reason is to preserve the environment. It will not remove and plans to use wind power from the most important future plans in the production of electric power and by the coming years will change the paths of…...
Climate ChangeElectricityPowerRenewable EnergyWind
Solar Energy in Kenya Challenges and Opportunities
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Pages • 12
Climate change is one of the key global concerns as of today and different perspectives have been envisioned to reduce its causes of which adoption of renewable energy sources is anticipated to reduce it significantly. Kenya as a developing country seeks to increase its share of renewables in terms of use of Solar, wind, geothermal, hydro and biomass in its overall energy mix. The solar industry in particular is reckoned as one of the fastest growing sectors which serves as…...
ElectricityEnergyEnergy SourcesKenyaRenewable EnergyThe Benefits Of Solar Energy
Chemical Effect
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Pages • 3
Conductivity of Liquid Electrolysis Electroplating The materials, which allow electric current to pass through them, are good conductors of electricity. On the other hand, materials, which do not allow electric current to pass through them easily, are poor conductors of electricity. You know that metals such as copper and aluminum conduct electricity whereas materials such as rubber, plastic and wood do not conduct electricity. Conductivity of Liquid To test whether a liquid allows electric current to pass through it or…...
Electric Charge Lab
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Pages • 3
Electric Charge Lab John Doe Physics 1130 Oct 26th, 2010 Objective In this lab we will investigate some properties of electric charge, conductors, and insulators using everyday objects. Theory A charged object is any object that has an excess of negative or positive charge. Most objects are neutrally charged and we don’t normally experience their charge properties. Rubbing objects together and transferring some charge from one to the other is one way to create charged objects. Like charges repel each…...
Electricity and Economy in Kenya
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ICT has been the main driver of Kenya's economic growth over the last decade, growing on average by 20 % annually, and propelling the combined transport and communications sector into the economy's second largest after agriculture. In chapter three I have discussed the impact of electricity on key economic sectors in Kenya which are agriculture, educational services, banking and communication services, microenterprises and tourism all of which are key pillars of Kenya Vision 2030. It costs approximately Ksh. 5,000 to…...
Chemical Effects of Electric Current
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EXTRA QUESTIONS: Q. Why the bulb glows when the electric current passes through it? Ans. Due to the heating effect of current, the filament of the bulb gets heated to a high temperature and it starts glowing. Q. Write a short note on: (a) LED Ans. LED- Light Emitting Diodes are used for lighting. There are two wires(called leads) attached to a LED. One lead is longer than the other. Longer lead - connected to positive terminal of battery Shorter…...
Natural Gas
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Pages • 6
Qatar is known to have the third largest reserve in the world for natural gas. It is a colorless, shapeless, odorless gas in its natural form. Main property of this gas that made it so prized is its combustibility. When burned, natural gas emits a great deal of energy (NaturalGas. org, 2004). But not like fossil fuels, natural gas is a clean burning gas with lower level of potentially harmful byproducts is emitted into the air as resultant to the…...
ElectricityNatural GasNature
Electrical Conductors vs Insulators
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Pages • 6
Every thing in the world is differentiable on the basis of its electrical conductance. Some things are called insulators and these substances never conduct electricity. they include things such as cold air,wood and plastic. Then there are things that conduct electricity and current flows through them, they are called conductors. examples of conductors are most metals like copper and steel. Other materials that are sometimes used as conductors are silver, gold, and aluminum. Copper is still the most popular material…...
Electric Bike
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Pages • 24
I have actually added an electrical power help onto a GT mtb. With a 3 HP peak motor, it is far more effective than normal electrical bicycles. The basic motivation to develop an electric bike was to have an enjoyable and efficient and eco-friendly way to avoid my vehicle for short journeys around town, and also as a quiet path bike for exploring the hills. I desired to get some exercise - this bike can still be pedaled. When I…...
BicyclesElectric VehiclesElectricityMechanical EngineeringMotorcyclingNikola Tesla
Modelling and Forecasting Electricity Consumption of the Philippines
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In the Philippines, electric power is becoming the main energy form relied upon in all economic sectors of the country. As time goes by, while different establishments and properties were built and developed, the demand for domestic electricity consumption within the country accelerates. Energy consumption is an important index of the economic development of a country. Rapid changes in industry and the economy strongly affect energy consumption. According to the International Energy Annual (IEA) in the year 2004, the Philippines…...
Electric Arc Flash
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The danger posed by Arc Flash incidents as well as their relative frequency of occurrences has led to greater concerns by various stakeholders in the Electrical industry. Wellman, & McClung, (2003) defines Electric arc flash (also known as arc blast) as an electrical explosion which occurs as a result of electric current passed through air when the insulation or isolation between two different conductors is no longer capable of holding the current. If high level of current is involved, tremendous…...
Electrical engineerElectricityInjuryPhysicsScience
Does Electricity Move Better Through Thick Wires or Thin Ones
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Pages • 2
My research is to determine if electrical energy moves better through thick wires or through thin wires. For this experiment I used 2 size D batteries, 2 flashlight bulbs, one 6.5 inch thin steel wool piece, one 6.5 inch thick steel wool piece, two 2 inch pieces of straw, and some electrical tape. Steel wool is a material made from thin fibers of steel made into a pad. (http://www.wisegeek.com/l-what-is-steel-wool.htm) There are lots of uses for steel wool. It can be…...
Electrical Circuit
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Conductor - is a material which contains movable electric charges. In metallic conductors such as copper or aluminum, the movable charged particles are electrons (see electrical conduction). Positive charges may also be mobile, such as the cationic electrolyte(s) of a battery, or the mobile protons of the proton conductor of a fuel cell. In general use, the term "conductor" is interchangeable with "wire. Insulators – are non-conducting materials with few mobile charges and which support only insignificant electric currents. Atom…...
Microelectronic Pill – Advanced Technology
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ABSTRACT The invention of transistor made it possible for the very first use of radiometry capsules, which utilized simple circuits for the internal study of the gastro-intestinal (GI) tract. They could not be utilized as they might transfer only from a single channel and also due to the size of the components. They likewise suffered from bad reliability, low sensitivity and brief life times of the devices. This caused the application of single-channel telemetry pills for the detection of illness…...
Advanced TechnologyElectricityElectronicsTechnologyWikipedia
Data Communications
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Differentiate between an analog and a digital electromagnetic signal. What are three important characteristics of a periodic signal. What is the relationship between the wavelength and frequency of a sine wave. Define fundamental frequency. What is the relationship between a signal's spectrum and its bandwidth. What is attenuation? Define channel capacity. What key factors affect channel capacity? Problems: Figure 1 shows the frequency domain function for a single square pulse. The signal pulse could represent a digital 1 in a…...
Electric Generator – An Overview
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Early 20th century alternator made in Budapest, Hungary, in the power generating hall of a hydroelectric station In electricity generation, an electric generator is a device that converts mechanical energy to electrical energy. A generator forces electric charge (usually carried by electrons) to flow through an external electrical circuit. The source of mechanical energy may be a reciprocating or turbine steam engine, water falling through a turbine or waterwheel, aninternal combustion engine, a wind turbine, a hand crank, compressed air,…...
ElectricityNikola TeslaPhysicsScience
Voltmeter and Ammeter
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Measuring Voltage Measuring the voltage between two points of an electrical current can be done with an instrument called a voltmeter. One type of voltmeter is a direct-current voltmeter. When taking a voltage reading the instrument is placed across the portion of the circuit that is to be measured. Direct-Current Voltmeter The direct-current voltmeter has a horseshoe shaped magnet, with a semicircular piece of soft iron attached to each end of the magnet. The iron is also magnetized. The iron…...
Sop for Masters in Ece
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Pages • 3
Master's programme in electronics and communication engineering I wish to pursue my graduate studies at your esteemed institution, as I believe that a Masters degree will help me to realize my ultimate goal, which is to develop myself as a well educated electrical engineer and promote my existing career in related industries. As a high school student we had an electricity lesson in which we had to make a simple motor using wooden board, nails and coated wire and battery.…...
ComputersElectrical engineerElectricityEngineerEngineeringPhysics
A Description of Alternating Current
Words • 532
Pages • 3
Paper Type:Descriptive essays
Abstract Alternating current (AC) electricity is the type of electricity that commonly used in houses and businesses throughout the world. While direct current (DC) electricity is flowing in one direction through a wire, the direction of the AC is moving in a back-and-forth motion. AC electricity is created by an AC electric generator, which is determining the frequency. The special about AC electricity is the voltage can be readily changed, so that will make it more suitable for long-distance transmission…...
The Importance of Electricity
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Pages • 2
As long as the electricity is available, no one thinks much about it. The importance is realized when the power goes out. Whether it’s during the day or at night, electricity keeps our lives in order. It affects your business, your schedule and even your entertainment. Electricity runs everything in our everyday life. Gas stations can’t pump gas without it. Businesses have to close because their cash registers won’t work without it. Restaurants can’t cook food without it. Our lives…...
Hydroelectricity Essay
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Pages • 14
Hydroelectricity Hydroelectricity is the term referring to electricity generated by hydropower; the production of electrical power through the use of the gravitational force of falling or flowing water. It is the most widely used form of renewable energy. Once a hydroelectric complex is constructed, the project produces no direct waste, and has a considerably lower output level of the greenhouse gas carbon dioxide (CO2) than fossil fuel powered energy plants. Worldwide, an installed capacity of 1,010 GW supplied hydroelectricity in…...
ElectricityNatural resourcesWater
Electricity and Magnetism
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Pages • 6
Human civilisation has dealt with magnetism for millennia, earliest evidence dating as far back as 1000 BC where the ancient Chinese civilisation discovered a naturally occurring magnetic ore, magnetite. This ore, commonly known as lodestone was used by the ancient Chinese as a geomagnetic compass, however, no one really knew what magnetism was at the time. For centuries on, we have had basic knowledge regarding electricity based upon static electricity found from rubbing amber and fur. However, up until the…...
History of Electricity
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Electricity is one of the greatest discoveries of man, this is simply because it brings light and it has open door to so many other discoveries and invention. Men of today actually depend on this form of energy to live and perform his or her basic duties. Machine of today depend mostly on electricity to function properly. Magnetism, which is an aspect of electromagnetism, is considered one of the fundamental forces of nature (Blume, 2007). Those forces are usually produced…...
The Electric Chair
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Pages • 3
For over a century now, states in the United States have actually used the electric chair for a method of execution. The electrical chair was indicated to be a more humane variation of execution. Nevertheless, now people seem to believe the electric chair is an unconstitutional method to pass away. As years go by, individuals who have witnessed electrical chair executions have stated terrible and agonizing stories of death. Prisoners fought the straps of the chair as the high voltage…...
Capital PunishmentElectricitySocial IssuesSociety
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FAQ about Electricity

Common Electrical House Appliances Problem And How To Fix It
...Installation In The Moisture Area: Don't you know that water and electricity do not mix well? If yes, so, how can you even make such blunder? To ensure the safety of the electrical panel, it is important to install them at the place, which is away fr...
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