in case dc we mark as + ve & -ve..but in case a.c. we mark as
ph&N...Y LIKE PLZ TELL ME
Answer Posted / surendra
load safty is responsible for all these classification.. as
in case of dc there is a permanent neutral.. in ac there
should be a neutral.so that more variation in voltage we can
get..and load can get reliable voltage .........
Is This Answer Correct ? | 2 Yes | 2 No |
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