Electrical Current An electric current is a flow of electrical charge. When a metal conducts electricity‚ the charge is carried by electrons moving through the metal. Electrons are subatomic particles with a negative electrical charge. When a solution conducts electricity‚ the charge is carried by ions moving through the solution. Ions are atoms or small groups of atoms that have an electrical charge. Some ions have a negative charge and some have a positive charge. Citric Acid Citric acid is
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Introduction: Now-a-days electricity has become quite-common in the world. Everybody sees the wonderful work of electricity. The lights on the streets are lit by the electric current. Electric fans work in the court‚ high court and office-rooms. Trains and trams are run by the electric power. So‚ electricity is no longer a strange thing. Discovery of electricity: About six hundred years back the people of Asia Minor and Greece had a very crude idea of electricity. Next‚ the American Scientist
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“IF THERE IS NO ELECTRICITY” To think of life without electricity is almost impossible today. Elec tricity provides all the comforts of life. We find ourselves completely helpless and feel its importance whenever power fails or when the sup ply is irregular. We curse the government for its failure to supply unin terrupted electric supply. In case of no electricity our life would be totally different. We will have to use earthen lamps‚ lantern or candle-light instead of electric bulbs and tubes
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Lightning - Each bolt can contain up to one billion volts of electricity - Electrical discharge is caused by an imbalance between positive and negative charges in the atmosphere - Colliding particles of rain‚ ice‚ or snow increase this imbalance and often negatively charge the lower reaches of storm clouds - Objects on the ground‚ like steeples‚ trees‚ and the Earth itself‚ become positively charged - A step-like series of negative charges‚ called a stepped leader‚ works
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Electricity‚ what a wonderful advancement that was invented throughout history. If there wasn’t electricity we wouldn’t be able to power our cars‚ turn on our stoves‚ plug our phone chargers into the wall socket or even be able to turn on our artificial light when it’s dark outdoors. Electricity has made a huge impact on our lives. Most people don’t realize how different the world would be if Benjamin Franklin never started his kite and key experiment. The world may have never evolved into the world
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Electricity and magnetism are two different aspects of one force. This force is called the electromagnetic force. Electricity can be generated by rotating coils of wire in the vicinity of a magnet. When a force moves objects toward and away from each other it is called electricity. When it comes to magnets‚ Earth and other planets behave like giant magnets. The first know magnets were iron materials. If one piece of the iron was placed in contact with the other‚ it attracted it. In ancient times
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we call Electricity. Electricity is the flow of electrical power or charge. It is both a basic part of nature and one of our most widely used forms of energy. It is actually a secondary energy source‚ also referred to as an energy carrier. That means that we get electricity from the conversion of other sources of energy‚ such as coal‚ nuclear‚ or solar energy. These are called primary sources. The energy sources we use to make electricity can be renewable or non-renewable‚ but electricity itself
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------------------------------------------------- Electricity sector in India From Wikipedia‚ the free encyclopedia Ramagundam Thermal Power Station‚ Andhra Pradesh Sabarmati Thermal Power Station‚ Gujarat The electricity sector in India had an installed capacity of 223.625 GW as of April 2013‚[1] the world’s fifth largest. Captive power plants generate an additional 34.444 GW. Non Renewable Power Plants constitute 87.55% of the installed capacity and 12.45% of Renewable Capacity.[2] India
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Static Electricity Everything is made up of tiny particles called atoms. The atoms are made up of even smaller parts called protons‚ electrons and neutrons. Protons have a positive charge (+)‚ electrons have a negative charge (-) and neutrons have no charge at all‚ they are neutral. Atoms normally have the same amount of electrons and protons‚ making them neutral and having no charge. When rubbing things together‚ electrons can move from one atom to another‚ resulting in some atoms having extra
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2 devices that use static electricity to funtion 1. Van de Graaff generator When the motor is turned on‚ the lower roller (charger) begins turning the belt. The belt is made of rubber and the lower roller is covered in silicon tape‚ the lower roller begins to build a negative charge and the belt builds a positive charge. Silicon is more negative than rubber so the lower roller is receiving electrons from the belt when it goes over the roller. The positively charged atomic nuclei‚ try to
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