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Question 31660
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Current Electricity: MCB vs Fuse MCQ

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MCB vs FuseEasyQuestion 31660

Question

An MCB (Miniature Circuit Breaker) is preferred over a fuse because:
  1. A
    MCB melts permanently like a fuse
  2. B
    MCB can be reset without replacement
    Correct
  3. C
    MCB is cheaper
  4. D
    MCB has higher resistance

Correct answer

MCB can be reset without replacement

Explanation

MCBs trip magnetically/thermally and can be reset by a switch — convenient and reliable. Fuses must be replaced after blowing.

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