Question

Miniature circuit breakers (MCBs)
(A) behaves like a magnet.
B) automatically switch off when an electric current in a circuit exceeds the safe limit.
(C) do not help in maintaining safety.
(D) have wire of very low melting point.​

Answer 1

Hi friend ❤️.

Option (b). is correct it automatically switches off when the electric current exceeds the safe limit❤️.

Hope this helps you ❤️✌️✨✨..

Please mark as brainliest ❤️✨ ✨..