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Byju's Answer
Standard VII
Physics
Electric Bulb and Electric Fuse
Which of the ...
Question

Which of the following is used as a safety device?


A

Fuse

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B

Switch

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C

Battery

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D

Filament

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Solution

The correct option is A

Fuse


The main part of a fuse is a fuse wire. It is an alloy of suitable metals. It has low melting point. It melts when a large amount of current flows through it and hence breaks the circuit. Therefore, fuse is used as a safety device.

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