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 / balaji
Negative & Positive polority plays major role in case of
Electronics Devices.We may aware of simple electronics
components Diode,Transistor,etc are made of PN junctions.
For proper conductions & baising,Blocking Polority of the
circuits is very important
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