Answer 2 More Explanation
There is a single filament of thin wire of Tungsten used in incandescent bulbs, so when it's heated by electrical current the air molecules around the filament warm. Electrons are excited to a higher orbit and they return to their original position via the emission of photons. The light emitted is what we call incandescence.
If there is a bulb, it should work.
To build the light bulb.
Bad bulb, no power, no ground.
NO
There are 3 possible reasons as to why the light bulbs do not work in your refrigerator.Light bulb is blownFaulty door switchesFaulty light bulb fittings
The bulb won't work.
With a light bulb!
No
check the bulb
there is a bad ground ,or the wire going to the bulb is open or the bulb is burned out.
Bulb is blown. Replace bulb.
Not really, but the light bulb might not work if it's on and you put it in water.