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Light, of course, since that's what the light bulb is designed to produce. There is also waste energy, as heat, and (to a small extent) as sound.
Depends on your definition of waste. The obvious one is heat unless you are using bulb for an Easy Bake oven in which case the light might be considered waste and heat the primary usage. One could also say that in certain bulbs perhaps there are some light frequencies that may be annoying or not useful.
Electricity is the source of energy in a light bulb.
A light bulb uses electrical energy, and produces light, as well as heat.
A light bulb IS not a form of energy, it CONVERTS energy. A lightbulb converts electricity into heat and visible light.
A lot
Mainly heat.
Light, of course, since that's what the light bulb is designed to produce. There is also waste energy, as heat, and (to a small extent) as sound.
Electricity is the type of energy that is used when you turn on a light bulb. When you leave a room, you use more energy by leaving the light on than if you turn it off and back on when you return.
Depends on your definition of waste. The obvious one is heat unless you are using bulb for an Easy Bake oven in which case the light might be considered waste and heat the primary usage. One could also say that in certain bulbs perhaps there are some light frequencies that may be annoying or not useful.
The light bulb uses electrical energy, and produces light, as well as waste heat. The act of turning it on in itself uses a small amount of energy stored in your muscles.
In a light bulb, electrical energy is transformed into light energy and heat energy.
Electricity is the source of energy in a light bulb.
Most of the energy in a light bulb is heat energy.
A light bulb uses electrical energy, and produces light, as well as heat.
light and heat energy occur in a light bulb when it is turned on.
For most light bulbs, they consume equal amounts of energy regardless of bright or dark environments. This is because a light bulb is simply lit up by a power source, and is unable to control brightness, producing the same amount of light. That is why most people say we should not waste energy by switching on a light bulb in the day.