1.

(a) What do you understand by the " resistivity" of a substance (b) A wire is 1.0 m long, 0.2 mm in diameter and has a resistance of 10 Ω Calculate the resistivity of its material?

Answer»

(a) What do you understand by the " resistivity" of a substance
(b) A wire is 1.0 m long, 0.2 mm in diameter and has a resistance of 10 Ω Calculate the resistivity of its material?



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