If you are nitpicking then sugest a both polarity from a reference point politicaly CORRECT.
hi neon,
I hate to say this to anyone, but this time I'll make an exception.
You are talking absolute nonsense!
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If you are nitpicking then sugest a both polarity from a reference point politicaly CORRECT.
Voltage is not born with polarity WE the designers users assign polarity. Current flow assign polarity not the presence of a voltage which can be +/- depending on current flow. Want to know more?
Dear neon, voltage is really born with polarity only. two points of different potentials create a potential difference and voltage is a measure of the same, as i understand it. As the two points are at different potentials the polarity with reference to one point is always there.Voltage is not born with polarity WE the designers users assign polarity. Current flow assign polarity not the presence of a voltage which can be +/- depending on current flow. Want to know more?
If I recall correct, I read sometime back that some devices (like clock radio) derive thier clock signals from the mains line since its a perfect 50/60 Hz signal.
I have been believing this for a while now and this I though was the reason why the modem needed AC.
I also beleive this to be the reason for the radio clocks brought from one world (americas) to not work in another(India and rest of asia)
Please correct me if thats not true