DWQA Questions DWQA Questions › Category: Transmission and DistributionFilter:AllOpenResolvedClosedUnansweredSort byViewsAnswersVotesWhy does a humming sound occur in high voltage transmission lines?Openbetuk asked 7 years ago • Transmission and Distribution9140 views3 answers0 votesWhy can't DC current be transmitted over long distances like AC current can?OpenKajal asked 6 years ago • Transmission and Distribution1560 views0 answers0 votes