Calculating Current Through a 100W Light Bulb

[phy112]

Homework Statement

light bulb rated 100Watts. How much current (in A) would go through the light bulb if it were plugged into the regular electrical outlet?

Homework Equations

P=IV

The Attempt at a Solution

Im not sure what the potential difference is..

 

[S_Happens]

Since you really didn't specify your location...
http://en.wikipedia.org/wiki/List_of_countries_with_mains_power_plugs,_voltages_and_frequencies

I would have used 110V for the U.S. without a reference.

It probably would have been faster to goole "regular electrical outlet" or the like and get an answer than to post here and wait.