In a circuit breaker the basic problem is to

Related MCQs

• Which device sends the information to the circuit breaker to interrupt the circuit in case of fault?
• The arcing contacts in a circuit breaker are made of
• Which of the following medium is employed for extinction of arc in air circuit breaker ?
• With which of the following, a circuit breaker must be equipped for remote operation ?
• Thermal circuit breaker has
• Magnetic circuit breaker has ______ trip action.
• Air blast circuit breaker is used for
• The voltage appearing across the contacts after opening of the circuit breaker is called______voltage.
• Ionization in circuit breaker is facilitated by
• The arc voltage produced in A.C. circuit breaker is always