A light bulb lights up because energy, in the form of an electric current, is transferred from a power supply to the filament inside the light bulb. This kind of energy transfer is known as _______.
a mechanical energy
b radiation
c conduction
d convection

Question

A light bulb lights up because energy, in the form of an electric current, is transferred from a power supply to the filament inside the light bulb. This kind of energy transfer is known as _______.
a mechanical energy
 b radiation
c conduction
d convection

anonymous · Answer

@Kentari

anonymous · Answer

I think it is Conduction. 

Incandescent light bulbs work by heating a thin strand of tungsten to high temperatures, causing it to glow brightly. Tungsten has the highest melting point of any element and therefore is perfectly suited for this purpose.

I need to go to sleep now. This would be my last for this day. =) I'll be back again. tomorrow