What specifications would you select for the material to make a fuse wire?

Greater specific heat, low melting point

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Greater specific heat, high melting point

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Less specific heat, high melting point

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Less specific heat, low melting point

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Solution

The correct option is D Less specific heat, low melting point
A fuse wire must be made of a material having less specific heat and low melting point. When the current in electric circuit exceeds a safe, limit, the low value of specific heat results in more increase in temperature and the low value of melting point causes it to melt. It thus saves the electrical appliances from getting damaged.

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