Question

why are mcb's are used in electric circuit? ​

Answer 1

The MCB on this circuit cuts power thus preventing overheating and fire in the cable and terminals. Short Circuit is the result of a fault somewhere in the electrical circuit or appliance and is potentially much more dangerous than overload as the scale and speed of over current is in a different order of magnitude.

Explanation:

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Answer 2

Answer:

MCB'S ARE USED IN OUR HOMES IN PLACE OF FUSE. MCB AUTOMATICALLY TURNS OFF WHEN A LARGE CURRENT PASSES THROUGH THE CIRCUIT EXCEEDS SAFE LIMIT. LATER, IT CAN BE TURN ON MANUALLY...

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