electric current

Last updated 2023.02.21 Edit Source

• Physics
• Electricity

Electric current (current)
the charge passing through a cross-section of a conductor in a unit of time
$I=\frac{Q}{t}$
$[I]=A=\frac{C}{s}$
amper is SI base unit

The (macroscopical) ordered motion of charge carriers in a conductor.

!charge carriers

To move carriers, an electric field must be maintained

electric circuit

• direct current
• changing current
• alternating current

# effects of electric current

electric current safety