An iron wire has a cross-sectional area of 131 x 10-5m2, Ask an Expert

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An iron wire has a cross-sectional area of 1.31 x 10^-5m². Carry out steps (a) through (e) to compute the drift speed of the conduction electrons in the wire.

(a) How many kilograms are there in 1 mole of iron?

(b) Starting with the density of iron and the result of part (a), compute the molar density of iron (the number of moles of iron per cubic meter).

(d) Obtain the number density of conduction electrons given that there are two conduction electrons per iron atom.

(e) If the wire carries a current of24.0A, calculate the drift speed of conduction electrons.

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