Re: No metal to metal contact - a furphy?

Thanks I will give it a try

David - who likes to understand the why and how of things

IFLYJ3 wrote:

> quietguy wrote:
> >
> > I am not sure that electricity can be generated just by rubbing two bits
> > of metal together when there is no potential difference between them
> >
> > David
>
> My understanding is that anytime two dissimilar metals are rubbed
> together there is RF energy generated. I guess because of the different
> metals having a different number of electrons which would be a
> potiential difference. I do know it happens.
>
> To demonstrate take a file and a screw driver and hold them close to
> the receiver antenna with just the receiver and servos turned on. Run
> the screw driver tip against the file and watch the servos.

.

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