Q.

Is it true that copper has a high melting point due to which a fuse made of copper wire will not melt easily when a short circuit takes place?


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a

True

b

False  

answer is A.

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Detailed Solution

The above statement is true.
Fuse wire is made of tin alloy because it has a low melting point. Also, fuse wires are made of alloys of a low melting point so that they melt easily when overcurrent passes through the circuit. Since copper wire has a high melting point, it cannot be used as a fuse wire.
 
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Is it true that copper has a high melting point due to which a fuse made of copper wire will not melt easily when a short circuit takes place?