A copper wire is dCu = 0.0500 cm in diameter, 3.00 m long, and has a charge carrier density of 8.50x10^28 electrons/m3. The copper wire is attached to an equal length of aluminum wire with diameter dAl = 0.0100 cm and charge carrier density of 6.02x10^28 electrons/m3. A current of 0.400 A flows through the copper wire. a. The ratio of current densities in the two wires, JCu/JAl is:_______. b. The ratio of drift velocities in the two wires, vd-Cu/vd-Al is: dcu = 0.0500 cm 0.400 A Alambre de cobre L = 3.00 m dal = 0.0100 cm Alambre de aluminio L = 3.00 m

A copper wire is dCu = 0.0500 cm in diameter, 3.00 m long, and has a charge carrier density of 8.50x10^28 electrons/m3. The copper wire is attached to an equal length of aluminum wire with diameter dAl = 0.0100 cm and charge carrier density of 6.02x10^28 electrons/m3. A current of 0.400 A flows through the copper wire. a. The ratio of current densities in the two wires, JCu/JAl is:_______. b. The ratio of drift velocities in the two wires, vd-Cu/vd-Al is: dcu = 0.0500 cm 0.400 A Alambre de cobre L = 3.00 m dal = 0.0100 cm Alambre de aluminio L = 3.00 m