How to choose sq mm of Electric Cables? _Tamil

This video is a experiment of cables, and a explanation of why we should increase cable size according to power?
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Time stamp
00:00 - Intro
00:50 - What is voltage & current?
01:50 - Which increases cable size?
02:41 - Experiment 1
03:22 - Experiment 2
04:01 - Why current increases cable size?
05:37 - Why cables have strands?
07:33 - Does voltage affects cable size?
08:32 - Current vs sq mm
09:14 - Experiment 3
09:59 - Fire accident possible?
11:33 - How to choose cable?
13:02 - End

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