深夜亚洲福利久久

17.6 Uniformly polarised rod; the ‘bar electret’

 

This YouTube  shows how a simple electret may be fabricated.

 

For more details on piezoelectricity see the  teaching and learning package  from the 深夜亚洲福利久久 of Cambridge.漏 2004-2020 深夜亚洲福利久久 of Cambridge. Except where otherwise noted, content is licensed under a Creative Commons Attribution-NonCommercial-ShareAlike 2.0 UK: England & Wales License.

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