Typically alternating current (AC) comes from wall sockets.
This article explains why: http://www.wisegeek.com/what-is-the-difference-between-ac-and-dc.htm
Electrical energy comes out of a wall socket.
Electrical energy comes out of a wall socket.
ac power - alternating current. That's what comes out of a wall socket.
A wall socket provides electrical energy.
In North America a nominal voltage of 110 to 120 volts comes out of a normal wall socket.
coulomb and neutral!
No. It is an AC (Alternating Current) receptacle.
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The total current drawn must not exceed the current that the original socket can supply.
current that comes out of batterie and wall sockets.
AC current (alternating current) like in a wall outlet
When you plug something into the wall socket at home, (mains power) you are using alternating current, when you use something powered by a battery, you are using direct current.