1.

          \[{{W}_{1}}\]and\[{{W}_{2}}\]are the readings of two watt meters used to measure power of a 3-phase balanced load. The reactive power drawn by the load is            

A.  \[{{W}_{1}}\]+\[{{W}_{2}}\]             
B.  \[{{W}_{1}}-{{W}_{2}}\]
C.  \[\sqrt{3}\,\,({{W}_{1}}+{{W}_{2}})\]
D.  \[\sqrt{3}\,\,({{W}_{1}}-{{W}_{2}})\]
Answer» E.


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