Power Systems
Recovery voltage in CB is equal to

  none of these.
  transient voltage.
  normal frequency 50 Hz rms voltage.
  arcing period voltage.

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Power Systems
Which of the following statements is true? Corona loss increases with

 decrease in conductor size and decrease in supply frequency
 increase in conductor size and decrease in supply frequency
 increase in conductor size and increase in supply frequency
 decrease in conductor size and increase in supply frequency

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