What Is Electricity? (05:04)
Ancient Greeks knew that rubbing amber against cloth would cause an attraction. During a storm, lightning bolts are produced through static electricity. Moving many electrons in an orderly manner produces electric current or dynamic electricity.
Electric Power Stations (02:43)
Power stations can be thermal, nuclear, solar, hydraulic, wind, or sea powered. High voltage cables contain electricity between 100,000- 380,000 volts. Transformers reduce the voltage to 220-240 volts.
Use of Electricity (02:15)
Electrical energy can transform to produce heat, light, mechanical, or chemical energy. Watching this program requires electricity.
The Ancient Greeks knew that rubbing amber against cloth would attract bodies. All matter is made up of atoms that contain a proton, neutron, and electron. Power stations can be thermal, nuclear, solar, hydraulic, wind, or sea powered.
Credits: What Is Electricity? (00:39)
Credits: What Is Electricity?
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