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For an electric toothbrush, is input energy equal to useful output energy? Explain
your answer.


Sagot :

No, input energy is not equal to useful output energy, if it is an electric toothbrush.

What is the useful type of energy produced in an electric toothbrush?

Electrical Energy is the useful type of energy produced in an electric toothbrush.

If input energy is equal to useful output energy. This means that the total amount of energy that is in an isolated system (such as an engine or a generator) remains constant (conserved) over time.

However, the total amount of useful energy output of an isolated system is never equal to the total energy input.

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