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 / V.
 V2.
  1 / V2.
 V.

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Power Systems
The VSWR of transmission line is

 Directly proportional to characteristic impedance and inversely to load impedance.
  Directly proportional to load impedance and inversely to characteristic impedance.
 Directly proportional to voltage minimum and inversely proportional to voltage maximum.
 Proportional to load and characteristic impedance.

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