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Electricity (1)
Electricity (1)

Electricity Notes
Electricity Notes

Electricity & Magnetism
Electricity & Magnetism

Electrostatics and Electric Fields
Electrostatics and Electric Fields

Hall Effect
Hall Effect

Observations of Electrical Phenomena
Observations of Electrical Phenomena

... Electric Current Flow of electric charge ...
F1 Notes.cwk
F1 Notes.cwk

the mechanical universe - Binghamton City School District
the mechanical universe - Binghamton City School District

... Oerstead used the current flowing in a wire due to a voltaic pile to show the link between electricity and magnetism, today simply known as _________________________. ...
Notes Sec 4.4
Notes Sec 4.4

< 1 ... 56 57 58 59 60

Electric current



An electric current is a flow of electric charge. In electric circuits this charge is often carried by moving electrons in a wire. It can also be carried by ions in an electrolyte, or by both ions and electrons such as in a plasma.The SI unit for measuring an electric current is the ampere, which is the flow of electric charge across a surface at the rate of one coulomb per second. Electric current is measured using a device called an ammeter.Electric currents cause Joule heating, which creates light in incandescent light bulbs. They also create magnetic fields, which are used in motors, inductors and generators.The particles that carry the charge in an electric current are called charge carriers. In metals, one or more electrons from each atom are loosely bound to the atom, and can move freely about within the metal. These conduction electrons are the charge carriers in metal conductors.
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