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Answer Posted / sparta
it is difficult to convert high voltage dc to ac system.
it is expensive to convert dc into ac.
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PLEASE TELL ME ABOUT QUESTION PAPER OF UPCL ENTERENCE EXAM.
If an electrical component has a positive temperature coefficient, how come such components have high power losses due to heat if current decreases when resistance increases? assuming power given by I^2*R whereby the Resistance is infinite.
