Give reasons for the following:
The burnt out fuse should be replaced by another fuse of identical rating.

Explanation

### Step-by-Step Solution:

1. **Understanding the Purpose of a Fuse:**
A fuse is a safety device that protects electrical circuits from excessive current. It is designed to melt and break the circuit when the current exceeds a certain limit, preventing damage to appliances and reducing the risk of fire.

2. **Burnt Out Fuse:**
When a fuse "burns out," it means that it has melted due to the current exceeding its rated capacity. For example, if a fuse is rated for 5 amperes, it will melt and break the circuit when the current exceeds this value.

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