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A distribution feeder of $1$ $km$ length having resistance, but negligible reactance, is fed from both the ends by $400V$, $50$ $Hz$ balanced sources. Both voltage sources $S_1$ and $S_2$ are in phase. The feeder supplies concentrated loads of unity power factor as shown in the figure.

The contributions of $S_1$ and $S_2$ in $100$ $A$ current supplied at location $P$ respectively, are

  1. $75$ $A$ and $25$ $A$
  2. $50$ $A$ and $50$ $A$
  3. $25$ $A$ and $75$ $A$
  4. $0$ $A$ and $100$ $A$
     
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