Name the component that breaks the electric circuit in case of excess current.
A
Fuse wire
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B
Voltmeter
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C
Earth wire
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D
Ammeter
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Solution
The correct option is A
Fuse wire
Fuse wire is made up of a material which has a low melting point and it breaks when an electric current passes through it, thereby saving electrical appliances from further damage. A fuse is nothing more than a short length of wire designed to melt and separate in the event of excessive current.