Auto dimmer for LEDs
The Natural Philosopher wrote:
On 17/11/16 19:40, Roger Hayter wrote:
charles wrote:
In article ,
The Natural Philosopher wrote:
On 17/11/16 18:47, NY wrote:
wrote in message
...
On Thursday, 17 November 2016 18:28:43 UTC, charles wrote:
'cos car electrics are dc
Except for Ford model T.
Is there any fundamental reason why early pre-electronic car electrics
were DC and not AC?
Yes.
to go further, the car electrics rely on a battery - this inherantly a DC
device.
They need not rely on a battery. If, for example, you have a starting
handle and carbide lamps.
You will however need a magneto
AC ignition could easily have been devised. Even if it actually wasn't.
--
Roger Hayter
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