Why our home is supplied with Alternating Current? AC and DC which is better? _Tamil

Direct current is better in all ways, but why Electricity board supplies Alternating current? This video explains simple and straight answer to that..
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Time stamp
00:00 - Intro
01:46 - What is AC & DC?
03:29 - Journey of Electricity!
04:38 - How high power transmitted using small cables?
07:00 - Why transformer is used?
08:33 - How Transformer works?
10:18 - Why AC?
11:14 - End

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