The arc voltage produced in A.C. circuit breaker is always

Related MCQs

• What is the arc voltage in a circuit breaker?
• Recovery voltage is the value of rms voltage that reappears across the poles of a circuit breaker before_______________
• Which of the following medium is employed for extinction of arc in air circuit breaker ?
• Arc in a circuit breaker is interrupted at
• When does the arc interruption in oil circuit breaker take place?
• The voltage appearing across the contacts after opening of the circuit breaker is called______voltage.
• Which circuit breaker is preferred to be installed in extra high voltage AC system?
• What is the making to breaking current ratio for an extra high voltage circuit breaker?
• In a circuit breaker, the active recovery voltage depends upon which among these?
• Which device sends the information to the circuit breaker to interrupt the circuit in case of fault?