Why Is A Light Bulb Not 100 Efficient?

Why Is A Light Bulb Not 100 Efficient? As the electrons move, they bump into the metal atoms of the filament. The energy of each collision vibrates the atoms and heats them up, eventually producing light. Only 10% of the energy used by an incandescent bulb is converted to light; the other 90% is lost … Continue reading Why Is A Light Bulb Not 100 Efficient?