Question

show the connection of fan three bulb and water pump with the electric metre of your house use fuse at appropriate place what is the benefit of using MCB instead of fuse​

Answer 1

MCBs are reusable as they are just switches. Fuses are wires which burn out and opening the circuit when a high voltage passes through it. This is the benifit of using MCBs instead of fuses. Just take this answer as a small help and delete it after you have used it as I have not answered the question completely, so that others can answer your question. Thank you.