The power factor of arc in circuit breaker is

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Electrical Engineering MCQ on Power System Protection

The power factor of arc in circuit breaker is:

  1. Zero leading
  2. Zero lagging
  3. Unity
  4. Any value from zero to unity

Correct answer: 3. Unity

Also see:

  1. Low Voltage Circuit Breakers
  2. Medium Voltage Circuit Breakers
  3. High Voltage Circuit Breakers

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