Jprules14
Jprules14
01-06-2016
Physics
contestada
What causes resistance in an electrical current
Respuesta :
math2110
math2110
01-06-2016
An electric current flows when electrons move through a conductor, such as a metal wire. The moving electrons can collide with the ions in the metal. This makes it more difficult for the current to flow, and causes resistance.
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