1 A nickel wire when connected across an ideal battery temperature of the wire increases by A0 100 C after a long time If the

Question

1 A nickel wire when connected across an ideal battery temperature of the wire increases by A0 100 C after a long time If the wire of half length is used by how many degrees will its temperature increase Specific resistance of nickel depends on temperature according to the law p po 1 a 0 where a 0 0050 K and po is the resistivity at the initial temperature 1 162 1 200 40 1 126 0 1 2 22

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