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why the voltage is in digit of 11/33/132/220/440 please send
me on shukrerabbi_abkhalil@rediffmail.com
with thanks
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Answer Posted / k.prakashchandra
I had given answer to this long back.In the question
voltages are not correctly mentioned as V and KV.The first
electrical appliance was 100 V DC bulb.When AC system was
introduced ,the same bulb was used for 110 V AC applying the
form factor to make it equivalent.Then 11/33/ etc KV
systems came into being just have simple voltage ratio for
transformers.However we have 400 KV instead of 440 KV.
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