bipin90
bipin90 bipin90
  • 20-10-2020
  • Physics
contestada

A permanent magnet cannot be used in electrical bell .Why?​

Respuesta :

sbinsumait06 sbinsumait06
  • 20-10-2020

Answer:

we can not use permanent magnets in radio and electric bells , because permanent magnets loose their property after some time whereas we can change the properties of electromagnet.

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83du4vgf2s
83du4vgf2s 83du4vgf2s
  • 20-10-2020
what he said, yup!! ^^^
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