Q.Circuit breakers usually operate under 

  • ASteady short-circuit current. 
  • BSub-transient state of short-circuit current.
  • CTransient state of short-circuit current.
  • DNone of these.
Correct Answer : (B)

Sub-transient state of short-circuit current.

Hints :

Circuit breakers usually operate under Sub-transient state of short-circuit current.

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