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Apr 6, 2020 at 21:20 comment added Mads Skjern I agree with Graham. In a house wiring DC or AC won't matter at all with regards to energy loss in cabling. For longer distances and for some special scenarios DC will be more efficient than AC. In any case, I suspect Mahendra meant that 12 V DC is less efficient than for example 230 V AC, which is true.
Mar 9, 2018 at 3:02 comment added Mahendra Gunawardena @Graham feel free to post a response.
Mar 7, 2018 at 15:19 comment added Graham This is an old post, so I won't expect edits. But for completeness for future readers, I'll note that your statement "transmitting DC power over a long distance is inefficient" is flat wrong. DC is much more efficient for long distances, which is why HVDC transmission schemes are used. The advantage of AC is simply that voltage conversion using transformers is relatively easy and cheap.
Apr 13, 2017 at 12:33 history edited CommunityBot
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Jan 8, 2017 at 0:56 history edited Mahendra Gunawardena CC BY-SA 3.0
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Feb 1, 2015 at 3:24 history edited Mahendra Gunawardena CC BY-SA 3.0
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Jan 27, 2015 at 23:58 comment added Mahendra Gunawardena Interesting post from diy.stackexchange.com diy.stackexchange.com/questions/24686/…
Jan 27, 2015 at 17:29 history edited Mahendra Gunawardena CC BY-SA 3.0
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Jan 27, 2015 at 17:15 history edited Mahendra Gunawardena CC BY-SA 3.0
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Jan 27, 2015 at 16:30 history edited Mahendra Gunawardena CC BY-SA 3.0
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Jan 27, 2015 at 14:57 history edited Mahendra Gunawardena CC BY-SA 3.0
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Jan 27, 2015 at 14:46 history edited Mahendra Gunawardena CC BY-SA 3.0
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Jan 27, 2015 at 14:41 history edited Mahendra Gunawardena CC BY-SA 3.0
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Jan 27, 2015 at 13:09 history answered Mahendra Gunawardena CC BY-SA 3.0