When the electrical energy oscillates through the filament wires in an ordinary light bulb, it is converted into light and still more heat.
(the electrical energy; oscillates; through the filament wires; L:in an ordinary light bulb) (it; is converted; into light; T:When the electrical energy oscillates through the filament wires in an ordinary light bulb)
the electrical energy it
oscillates is converted
through the filament wires L:in an ordinary light bulb
into light T:When the electrical energy oscillates through the filament wires in an ordinary light bulb