Power Systems
Consider a long, two wire line composed of solid round conductors. The radius of both conductors is 0.25 cm and distance between their centers is 100 cm. If this distance is doubled, then the inductance per unit length.

  Increase but does not doubled.
 Halves.
 Doubled.
 Decrease but does not halves.

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Power Systems
Which of following statement are false

 A thermal reactor needs a moderator material.
  Nuclear power plants are used as peak load plants only.
 In nuclear power plants, chain reaction is controlled by cadmium rods.
 In a nuclear reactor, multiplication factor is kept almost equal to one.

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