MCB


 
 
Concept Explanation
 

Miniature Circuit Breaker MCB

An MCB is a kind of electronic switch that functions automatically. It can detect a problem occurring inside a circuit by identifying the extreme amount of current flow in the circuits. Sometimes there is a large amount of power available in the loop, it can break the loop any moment. Thus, the fuses are used as a substitute for the MCB's.

Functions of MCB :-

  • MCB is created to safeguard from defects in excessive current and overheating.
  • When the current crosses the defined limit, MCB automatically switches off and the loop breaks.
  • .... (More Text Available, Login?)
    Sample Questions
    (More Questions for each concept available in Login)
    Question : 1

    MCB is the short form for ___________________ .

    Right Option : D
    View Explanation
    Explanation
    Question : 2

    MCB works on the ____________________ of current.

    Right Option : B
    View Explanation
    Explanation
    Question : 3

    The fault clearing time of a circuit breaker is usually

    Right Option : D
    View Explanation
    Explanation
     
     


    Students / Parents Reviews [20]