When live wire comes in direct contact with the neutral wire, then

Overloading happens

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Short circuiting happens

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Melting of the fuse happens

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All of these.

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Solution

The correct option is D
All of these.

When live wire comes in contact with the neutral wire, then the insulation of wires is damaged or there is a fault in the appliance. In such a situation, the current in the circuit abruptly increases. This is known as short circuiting. The use of an electric fuse prevents the electric circuit and the appliance from a possible damage by stopping the flow of unduly high electric current.

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