In conductors electricity is conducted by the free electrons whereas in electrolytes, it is done by the free ions. Conductors are metals which contains free outer electrons that are free to move. The structure of metals with positive ions and free outer electrons accounts for the conductivity.
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Electricity is a type of energy that can build up in one place or flow from one place to another. When electricity gathers in one place it is known as static electricity (the word static means something that does not move); electricity that moves from one place to another is called current electricity.
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Electricity is the most versatile energy source that we have; it is also one of the newest: homes and businesses have been using it for not much more than a hundred years. Electricity has played a vital part of our past.
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These were the first experiments with electrostatics, the study of stationary electric charges or static electricity. In fact, the word electricity comes from the Greek elektron, which means amber. The experiments wouldn't continue until the 17th century. That's when William Gilbert, an English physician and amateur scientist, began to study magnetism and static electricity.
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How electricity moves in a circuit. Materials such as copper metal that conduct electricity (allow it to flow freely) are called conductors. Materials that don't allow electricity to pass through them so readily, such as rubber and plastic, are called insulators.
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The electric current flows through the wire and is pushed out through high-voltage transformers. Some power plants burn natural gas instead of coal to make steam. A nuclear power plant splits apart uranium to release heat energy. A wind farm uses the wind to spin the blades of the turbine.
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Today's power plants are bigger and controlled by computers, but the basic process is still the same as it was nearly 120 years ago. Here's how power plants make electricity: Coal is dug up and sent on trains and boats. The coal is burned to heat water to make steam. Inside the generator, the steam spins a big fan called a turbine. The spinning turbine rotates a big magnet around a piece of wire & that motion creates a magnetic field that electrifies the wire.
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How Electricity Works. Even though they didn't fully understand it, ancient people knew about electricity. Thales of Miletus, a Greek philosopher known as one of the legendary Seven Wise Men, may have been the first human to study electricity, circa 600 B.C.
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This concept -- that electricity existed as a fluid -- persisted into the 1700s. In 1729, English scientist Stephen Gray observed that certain materials, such as silk, didn't conduct electricity.
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The electric power in a circuit is equal to the voltage × the current (in other words: watts = volts × amps). So if you have a 100-watt (100 W) light and you know your electricity supply is rated as 120 volts (typical household voltage in the United States), the current flowing must be 100/120 = 0.8 amps.
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how electricity is conducted
The electricity is conducted by the free electrons whereas in electrolytes, it is done by the free ions. Conductors are metals which contains free outer electrons that are free to move. The structure of metals with positive ions and free outer electrons accounts for the conductivity.