the fuse is use for protection against overcurrent but at
normal condition it carry the rated current then how single
thin wire carry this current without melting
Because it depending up on the load current material melting
point & resistivity
explanation:In loads occurs short circuit(or) high starting
current the conductor(thin wire) temperature is increase for
that certain stage when the material reach that melting
point the conductor (thin wire) melt & disconnect the circuit.
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