Please answer as fast as possible

A conducting wire of radius 1 mm is carrying a uniformly distributed current of 50 A. If the electron density in this wire is 3.1 x 10\" electronsim3. {a} What is the average drift velocity of the electrons? {5 points) lb] What is the electric eld intensity in the wire? [The resistivity of the wire is 1.81 x 10'\".l (2 points} {cl If the wire is 50 km long. what is the potential difference between its ends? (2 pointsl ldl What is the resistance of the wire? (2 points]I