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Does the material used for a fuse wire need to have a low or a high melting point - a low or high ductility - a low or high resistivity?
Wiki User
∙ 12y ago
The material for the fuse wire should have low resistance and a low melting point. Ductility is a incidental factor.
As the current flow nears the fuse rating, the high current flow causes the wire to heat up quickly. It then melts, opening (breaking) the circuit. This is how the fuse limits the amount of current that can flow through a circuit.
Wiki User
∙ 12y ago
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