Mobile phone speaker,SEM

Bildnummer 12968694
Mobile phone speaker,SEM
Mobile phone speaker,coloured scanning electron micrograph (SEM). Mobile phone speakers are smaller than the speakers in televisions and sound systems,but function the same way. Speakers are transducers that convert electromagnetic waves into sound waves. The speakers receive audio input and simply amplify the electromagnetic waves into sound waves via a diaphragm. Magnification: x6 when printed at 10 centimetres wide.
Lizenzart: Lizenzfrei
Credit: Science Photo Library / Gschmeissner, Steve
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