1.

Calculate the resistance of a metal wire of length 2m and area ofcross section 1.55*10^-6 m^2, if the resistivity of the metal be2.8x10^-8 m.

Answer»

Use R=p l/a p=2.8×10^-8ohmmeter l=2m a=1.5×10^-6m^2 R=0.036ohms



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