Question

What MCBs preferred over electric fuse

Answer 1

Answer:

MCB preferred over electric fuse because it controls the flow of electric current. MCB prefer over electric fuse because in electric fuse when the current flows beyond the limit. The wire become too hot and break.

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Answer 2

MCB refers to Miniature Circuit Breaker. MCBs are preferred over the electric fuse as it controls the flow of electric current.  

Explanation:

• In the electric fuse, when the current flows beyond the limit, the wire gets too hot and tend to break.
• Miniature Circuit Breaker is an electrical switch which can be operated automatically.
• It is designed to protect the electrical appliances and human beings from electrical shocks and faults.
• During normal working conditions with the low voltage electrical network, rated amount of current flows through the network.  
• In case of any fault in this network, current exceeds its rated limit. This increased flow of current can cause permanent damage to the electrical appliances. He high rated current needs to be interrupted as soon as possible.
• Hence MCBs are preferred to save these appliances and humans (operating the appliances) from any burn or damage.

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