researchers named their project as “Eco Clock.” They chose to investigate on this project because they are aiming to promote the use the natural resources as a source of electricity. They were able to look for other possible substitutes for dry cell batteries. The use of the fruits in producing current is a revelation that fruits are not only nutritious foods that give vitamins and minerals to keep the body healthy but also a very important tool that help people live comfortably. ABSTRACT The investigatory
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------------------------------------------------- Electroplating Electroplating is a plating process in which metal ions in a solution are moved by an electric field to coat an electrode. The process uses electrical current to reduce cations of a desired material from a solution and coat a conductive object with a thin layer of the material‚ such as a metal. Electroplating is primarily used for depositing a layer of material to bestow a desired property (e.g.‚ abrasion and wear resistance‚ corrosion protection
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cathode. A lemon can be used as both the container and the source of citric acid. If a slit is made in one end of the lemon‚ the penny can be inserted about half-way. A galvanized nail is pushed into the lemon close to the other end. This is not a battery that will power anything useful‚ but a sensitive voltmeter will indicate that it does in fact produce
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The two portable devices that just about everyone has in their home‚ purse‚ briefcase and workplace. A laptop and or a tablet. There are a few things to consider when deciding which device to purchase. Price‚ memory‚ battery life‚ display‚ connectivity‚ syncing capabilities are all factors to think about. One of the main factors of course is the price. The typical price range for a laptop is from about $275-$1600. (Noblepcs) The average price for tablets is $337. (pcworld)
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when electricity was discovered. In June 1752 Benjamin Franklin proved that lightening is electricity. In 1791 Galvani publisged his doscoverey of Bio electricity. In 1800 Volta invented the Galvanic cell‚ in which this day in age we call it the battery. Without these advances we woukd be living in a society without any sort of electrity. In July 2012 more than 700 million people in India had been left without power in the world’s worst blackout of recent times. This lead to fears that
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is possible to get electricity from a lemon (and a few other acidic fruits and vegetables) using two strips of metal. The most readily available combination is copper and zinc. The zinc piece can be taken from the casing of an old carbon "D" cell (battery); some zinc coated nails may work as well. The copper can be a coin containing a high amount of copper. (Note: some recent copper coins‚ including the newer U.S. pennies‚ contain low amounts of copper mixed with zinc. If in doubt‚ use a pure copper
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True/False Indicate whether the sentence or statement is true or false. _T___ 1. Some torts are crimes. __F__ 2. The victim must actually suffer offensive contact before he or she can succeed in a cause of action for assault. __T__ 3. A battery occurs only if the victim suffers actual physical harm. __T__ 4. Slander involves the oral communication of defamatory language. __T__ 5. Oral defamatory statements must be communicated to a third party to be actionable. ____ 6. Unintentionally
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Sensitive LPG Leakage Alarm This project is an ultra-sensitive LPG sensor that generates loud beeps when it senses any gas leakage. It detects vapours of liquefied petroleum gas anywhere between 200 and 10‚000 ppm and drives a pies buzzer to catch attention for immediate action. The buzzer beeps until the concentration of gas in the air decreases to a safe level. The circuit uses an MQ6 gas sensor‚ which is designed to sense LPG‚ propane and isobutene gases. Circuit and working
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REPORT ON MARKET RESEARCH Domestic market: India International markets: Brazil and Bangladesh Product: E-bike 1. INTERNATIONAL MARKET BANGLADESH Bangladesh has also some opportunities and some problems. Recently introduced privatization policy is now become helpful for international business in Bangladesh. It can be expected that in the near future the country will begin to get the fruits of international business in the new open market economy
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circuit capable of supplying standard USB voltage and current rating. The circuit consists of a piezoelectric buzzer‚ a rectifier with a storage capacitor‚ an amplifier section‚ regulator and a switching mechanism that controls the energy flow into the battery. Experimental results showed that the method is feasible for practical use. 1 TABLE OF CONTENTS EXECUTIVE SUMMARY ...................................................................................................................... 1 LIST
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