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No, heat energy is not always useful. In some situations, like in the case of unwanted heat in electronics causing overheating, heat energy can be detrimental. However, in many cases, heat energy is harnessed for various purposes such as cooking, heating buildings, and generating electricity.

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1y ago

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Related Questions

Is heat released from every transfer?

Energy always turns from useful energy to less useful forms of energy. so in theory the answer is no, but in reality there is always some heat generated in all transformations.


What is always produce during energy transformation?

Heat is always produced during energy transformations. This is because not all of the energy input can be converted to useful work, and some of it is lost in the form of heat due to inefficiencies in the conversion process.


Why is the amount of useful output energy always less than the input energy?

The reason the useful output energy is always less than the input energy is due to inefficiencies in the energy conversion process. Some energy is always lost as heat, sound, or other forms of energy during conversion, reducing the amount of energy available for useful work. This decrease in useful output energy is described by the concept of energy conservation and the second law of thermodynamics.


If electrical energy goes into a light bulb what useful energy comes out?

The useful energy that comes out of a light bulb is primarily in the form of light and heat. The electrical energy is converted into light energy that illuminates the surroundings and heat energy that warms up the light bulb and its surroundings.


What form of energy is not useful from a computer?

heat energy


Is all the energy transferred during an energy change always useful?

No, not all energy transferred during an energy change is always useful. Some energy may be lost as heat or sound, decreasing the overall efficiency of the energy transformation. This is known as energy wastage, and it occurs in many natural and human-made processes.


What is the name of the non useful energy?

That would be "heat", except that sometimes heat can be quite useful.


Energy that is not converted to useful energy is usually given off as?

heat


A heat engine is unable to convert its entire heat source into work.?

False (APEX)


What is the not useful energy when coal is burnt?

When coal is burnt, the energy lost in the form of heat and pollutants such as carbon dioxide and ash is considered as not useful energy. This includes waste heat that is not converted into useful work or electricity.


Does an electric iron convert electric energy to heat and motion?

heat(useful energy) and sound(waste energy)


Can heat be thermal energy?

Heat is thermal energy. Always.