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why transmission line 11Kv OR 33KV,66Kv not in 10kv 20kv?
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Answer Posted / abhishek teotia
Form factor should not be the reason for it,otherwise we would not be having voltages like 400 V and 750 V.
The real reason is, in olden days when electricity for popularizing,people considered the energy loss to be 10% for elecrical transmissions therefore to send 100 V they transmitted 110 V.Hence people carried along with this.
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