Power Systems
In a Gauss Seidel load flow method, the number of iterations may be reduced if the correction in voltage at each bus is multiplied by

 Lagrange multiplier
 Acceleration factor
 Gauss constant
 Blocking factor

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Power Systems
The VSWR of transmission line is

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

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