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प्रश्न
How is M.C.B. superior to the fuse wire?
टीपा लिहा
उत्तर
MCB is more sensitive to current than a fuse. It detects any abnormality in the current flow and automatically switches off the electrical circuit.
MCB doesn't need to be replaced every time when high current passes from it but fuse needs to be replaced because it melts and breaks
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