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How Things Work
How an Electric Generator Works

How Things Work
How Things Work


How an Electric Generator Works
Print How an Electric Generator Works Reading Comprehension


Reading Level
     edHelper's suggested reading level:   grades 9 to 10
     Flesch-Kincaid grade level:   10.1

Vocabulary
     challenging words:    sine, electro-mechanical, induction, negative, electromagnetic, direct, century, principle, electromagnet, standard, revolution, position, generator, rotor, conductor, mechanical
     content words:    Michael Faraday, Joseph Henry, United States, North America, In European


How an Electric Generator Works
By Mary Lynn Bushong
  

1     Picture shows a late 19th century generator
 
2     Almost everyone uses electricity every day. Most of us just flip a switch and the light turns on or a motor starts running. Where does the electricity come from that makes all of those things work?
 
3     In most cases, electricity is produced in an electro-mechanical device called a generator. A generator is a device that converts mechanical energy into electrical energy. Electricity can be produced or "generated" because of a principle called electromagnetic induction. This principle was discovered by a British and an American scientist. Their names were Michael Faraday and Joseph Henry. The principle states that when an electric conductor, like a copper wire, is moved through a magnetic field, electric current will flow through the conductor. Faraday and Henry also found that when a magnet is moved inside a coil of wire, electric current is generated.

Paragraphs 4 to 8:
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How Things Work
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