Answers

2016-05-07T19:22:34+05:30
The material used for fuse has low melting point to prevent the electric circuit from fire. If due to some reasons the flow of current exceeds the heat produced in it melts it and disconnect from the power supply.
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2016-05-07T19:43:33+05:30
The material used for fuse has low melting point.
it should  have the melting point less than that of device as it should stop the current to flow further as the fuse wire will melt the circuit will be broken and the device will be saved 
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