An aluminum wire has a mobile charge density is 8.0e28 electrons/m3, and a cross-sectional area of 2.3e-6 m2. When a current flows through the wire, the average drift speed of the electrons is 1.7e-4 m/s. What is the current in the wire?

An aluminum wire has a mobile charge density is 8.0e28 electrons/m3, and a cross-sectional area of...
An aluminum wire having a cross-sectional area of 6.00 ✕ 10-6 m2 carries a current of 8.00 A. Find the drift speed of the electrons in the wire. The density of aluminum is 2.70 g/cm3. Assume each aluminum atom supplies one conduction electron. mm/s
An aluminum wire having a cross-sectional area of 4.70 ✕ 10−6 m2 carries a current of 4.50 A. The density of aluminum is 2.70 g/cm3. Assume each aluminum atom supplies one conduction electron per atom. Find the drift speed of the electrons in the wire. mm/s
An aluminum wire having a cross-sectional area of 2.50 ✕ 10−6 m2 carries a current of 3.00 A. The density of aluminum is 2.70 g/cm3. Assume each aluminum atom supplies one conduction electron per atom. Find the drift speed of the electrons in the wire.
An iron wire has a cross-sectional area of 7.50 ✕ 10−6 m2. 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? kg/mol (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). mol/m3 (c) Calculate the number density of iron atoms using...
1. An aluminum wire having a cross-sectional area equal to 3.50 10-6 m2 carries a current of 6.50 A. The density of aluminum is 2.70 g/cm3. Assume each aluminum atom supplies one conduction electron per atom. Find the drift speed of the electrons in the wire. 0.000193452 Incorrect: Your answer is incorrect. The equation for the drift velocity includes the number of charge carriers per volume, which in this case is equal to the number of atoms per volume. How...
An aluminum wire having a cross-sectional area equal to 4.90 10-6 m2 carries a current of 4.00 A. The density of aluminum is 2.70 g/cm3. Assume each aluminum atom supplies one conduction electron per atom. Find the drift speed of the electrons in the wire.
An aluminum wire carrying a current of 1.80 A has a cross-sectional area of 2.5x10−6 m2. The density of aluminum is 2.7 g/cm3. (Assume three electrons are supplied by each atom.) (a) Find the charge density, n, for aluminum?
An iron wire has a cross-sectional area of 6.90 ✕ 10−6 m2. 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? kg/mol (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). mol/m3 (c) Calculate the number density of iron atoms using...
An iron wire has a cross-sectional area of 5.80 ✕ 10−6 m2. 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? kg/mol (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). mol/m3 (c) Calculate the number density of iron atoms using...
A copper wire has a circular cross section with a radius of 1.36 mm. HINT (a) If the wire carries a current of 3.13 A, find the drift speed (in m/s) of electrons in the wire. (Take the density of mobile charge carriers in copper to be n = 1.10 ✕ 1029 electrons/m3.) m/s (b) For the same wire size and current, find the drift speed (in m/s) of electrons if the wire is made of aluminum with n =...