Transmitted power remaining the same, if supply voltage of a D.C. 2-wire feeder is increased 100 percent, saving in copper is

A. 25 percent

B. 50 percent

C. 75 percent

D. 100 percent

Answer: Option B

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Comments ( 1 )

  1. Samarth Patel
    Samarth Patel :
    9 months ago

    How it was 50%

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