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What is the differance between negative dc voltage and
positive dc voltage because some circuit uses -24,-5,-12,-
15,volt dc supply
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Answer Posted / jagadisha.n bmsit
+ve and -ve voltages is as per our reference. For ex in ac
particular reference both +ve and -ve apper in one cycle
and -ve is nothing but voltage in opposite polarity of +ve
voltage from the ref thats it. Some electronic peak to peak
voltage(say +/- 12V) in case of amplifier to turn on and
some of the device req only +ve/-ve vltage.
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