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A fuse made of lead wire has an area for...

A fuse made of lead wire has an area for cross-section `0.2mm^(2)`. On short circuiting will the fuse wire reaches 32 A. How long after the short circuiting will the fuse begin to melt? For lead, specific heat capacity `134J kg^(-1)K^(-1)`, melting point =`327^(@)C`, relative density =11.34, initial temperature =`20^(@)C` electricaL resistivity `=11xx10^(-8)Omegam`.

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