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What transfers from chemical to electric to sound energy?

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Dr Gulshan S. | Experienced Physics Tutor with a PhDExperienced Physics Tutor with a PhD
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Hi Madison
Any audio system which is battery operated has chemical energy stored in its  battery. When we switch on this  audio device ( example mobile phone) the chemical energy of battery gets changed into electric energy to power the device ( mobile). Then mobile rings or gives sound/music using electric energy into its speaker , which inturn produces sound energy.