Power Systems
For a fixed value of complex power flow in a transmission line having a sending end voltage V, the real power loss will be proportional to

  1 / V2.
 V.
 1 / V.
 V2.

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Power Systems
A sodium graphite reactors use

 a mixture of sodium and graphite as coolant.
  sodium as coolant and graphite as moderator.
 sodium as moderator and graphite as coolant.
 a mixture of sodium and graphite as moderator.

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