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Monday, July 20, 2009

Electricity


Electricity (from the latin Ä“lectricus, "amber-like") is a general term that encompasses a variety of phenomena resulting from the presence and flow of electric charge. These include many easily recognizable phenomena, such as lighting and static electricity, but in addition, less familiar concepts, such as the electromagnetic field and electromagnetic indution.

In general usage, the word 'electricity' is adequate to refer to a number of physical effects. However, in scientific usage, the term is vague, and these related, but distinct, concepts are better identified by more precise terms.

I=Q/T

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