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Author Topic: Is it normal for an A500 power supply to hum?  (Read 4121 times)

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Offline Karlos

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Re: Is it normal for an A500 power supply to hum?
« on: February 12, 2006, 12:29:59 PM »
Quote

da9000 wrote:

Could you explain why the plates on the transformer would vibrate? The transformer seemed fine when I opened it to do the soldering of the new fuse.

Thanks


They have an oscillating magnetic field passing through them. This exerts a force on the plates. Once the bonding between them starts to give up, they begin to yield to it.
int p; // A