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how to calculate voltage drop in long distance cable?
for an e.g lamp of 12 volt ac ,300watt is 90 meter away
from supply i.e (x'mer 230 v / 12v)and i m getting 8 volts
at lamp terminal ....
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Answer Posted / k.prakashchandra
R = rho(of the metal) x length/sectional area.Pd=RxI
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