the resistivity of copper is 0.015 micro ohm-m at 300 K addition of each atomic % of Ni and Ag causes an increase in resistivity by 0.012 micro ohm-m and 0.16 micro ohm-m respectively calculate resistivity of Cu-Ni-Ag alloy at 300 K when 0.25% Ni and 0.4% Ag is added to Cu?
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