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Q: What is the useful change in headphones What energy?
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Headphones useful and wasted energy?

usful energy will be that it make sound for the person to hear through it


What is the useful and wasted energy in an electric heater a television an electric kettle headphones Thanks for your help?

The use ful energy from headphones would be sound , the wasteful would be battery power.


An airplane changes energy into different forms The total amount of energy does not?

The total amount of energy doesn't change. However, some useful energy will be converted into unusable energy.The total amount of energy doesn't change. However, some useful energy will be converted into unusable energy.The total amount of energy doesn't change. However, some useful energy will be converted into unusable energy.The total amount of energy doesn't change. However, some useful energy will be converted into unusable energy.


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How can you change settings on Sony laptop so you can listen on your headphones?

You don't have to change any settings. You just plug in the headphones.


Useful energy change in the solar cell is from light to?

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Can you change wireless headphones?

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What type of energy is transformed in headphones?

which type of energy transfered in headphone