most common cause is a burned out light bulb, if not the bulb,check fuses and stop light switch
Electricity/light bulb
Tungsten is the most common today.
It depends on the type of bulb. Tungsten is the most common element in light bulbs. But there are neon based bulbs also
The most common light source is the incandescent light bulb. However, LED lights are becoming increasingly popular due to their energy efficiency and longer lifespan.
Usually tungsten.
Most of the energy in a light bulb is heat energy.
The typical household light bulb is the incandescent, they come in a variety of watts. Most used is the 40 watts, 60 watts, and 100 watts. Incandenscent are inexpensive and are the most common bulb for traidtional homes. Although fluorescent light bulbs are common in kitchens. Halogen light bulbs are more effeicient than incandecent they are better suited for offices, kitchens and lmaps. CFL (Compact Fluroescent Light) Bulb last longer than traditional incandescent. The LED (light emitting diodes) are becoming popular.
Incandescent
the light bulb
No, most objects do not give off their own light. Objects either reflect light from a light source or emit light when they are heated to a high temperature.
It is the Incandescent light bulb. Most of the energy are lost as heat