1. Light load, one lamp
Switching on a lamp draws a slight current in the circuit.
Since P=I V,
the current is (60W)/(120V)=0.5A
"http://www.physics.udel.edu/~watson/scen103/house/house1.html"
Last updated Oct. 3, 1996.
Copyright George Watson, Univ. of Delaware, 1996.