The arc voltage produced in A.C. circuit breaker is always
A) in phase with the arc current
B) lagging the arc current by 90?
C) leading the arc current by 90°
D) none of the above
Correct Answer:
Verified
Q6: Ionization in circuit breaker is facilitated by
A)high
Q7: In a circuit breaker the basic problem
Q8: Overheating of relay contacts or contact born
Q9: Interruption of large currents by relay requires
A)arc
Q10: Shunt capacitance is neglected while considering
A)short transmission
Q12: The time of closing the cycle, in
Q13: Insulation resistance of high voltage circuit breakers
Q14: H.R.C. fuses provide best protection against
A)overload
B)reverse current
C)open-circuits
D)short-circuits
Q15: The ground wire should not be smaller
Q16: The delay fuses are used for the
Unlock this Answer For Free Now!
View this answer and more for free by performing one of the following actions
Scan the QR code to install the App and get 2 free unlocks
Unlock quizzes for free by uploading documents