A solar panel converts light into electricity.
Electric bulb
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The fluorescent light bulb more efficiently converts electricity to light resulting in less heat produced. But in winter, heat being produced is not exactly a bad thing. Besides, fluorescent light bulbs are more expensive and have heavy metals in them, making them more toxic.
If it was not a gas then yes i think it would as it as a region of delocalized electrons
The build up of a charge on an object can be referred to as a static build up charge.
Electricity into light.
When light reflects, on an object it bounces off of the object and you can see the object much more clearly.
WINDMILL
If your meaning what carries electricity to an electrical object then the answer is electrons. Electrons are like parcels, they carry electricity to the object to make it work
A Solar Cell!
A light bulb IS not a form of energy, it CONVERTS energy. A lightbulb converts electricity into heat and visible light.
A solar cell converts light to electricity.
A device that converts light energy into electricity.
The instrument that converts light into electricity is called a Photovoltiac. I hope this answers your question.
A light bulb
An oscilloscope takes an electrical input signal and converts it into a visible trace on a screen - ie it converts electricity into light.
The filament in a light bulb forms resistance so that heat can happen. The electricity then converts to light energy and heat energy so that the light will shine.
A windmill or a wind turbine. Once there is enough wind the blades turn the generator inside. This generates electricity.
For a filament-type (incandescent) lamp, it's the filament.