What is the function of a fuse in the domestic electric circuit?

Explanation

### Step-by-Step Solution:

1. **Definition of a Fuse**: A fuse is a safety device used in electrical circuits to prevent excessive current from flowing through the circuit.

2. **Placement in the Circuit**: In a domestic electric circuit, a fuse is connected in series with the electrical appliances. This means that all the current flowing to the appliances must pass through the fuse.

3. **Material of the Fuse**: The fuse consists of a wire made from a material that has a low melting point. This is crucial because it allows the fuse to react quickly to changes in current.

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