Arc in a circuit breaker is interrupted at zero current.
The arc temperature in Oil Circuit Breaker may reach up to_______. (A) 5,000° K (B) 8,000° K (C) 10,000° K (D) None of the above Answer : The arc temperature in Oil Circuit Breaker may reach up to 5,000° K ...
Answer : The arc voltage produced in A.C. circuit breaker is always in phase with the arc current. ...
The arc voltage in a circuit breaker is : Answer : The arc voltage in a circuit breaker is : in phase with the arc current ...
Which of the following is used in a circuit breaker as the medium in which the arc forms? A) Insulating gas B) Insulating oil C) Vacuum D) All the above Answer : Which of the following is used in a circuit breaker as the medium in which the arc forms? A) Insulating gas B) Insulating oil C) Vacuum D) All the above ...
Arc in a circuit behaves as? Answer : Arc in a circuit behaves as a resistance decreasing with voltage rise across the arc....
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