An iron wire has a cross-sectional area of 3×10-6 m2. It carries a constant current of 28.0 A. What is the drift speed o
Posted: Sun Nov 13, 2022 10:56 am
An iron wire has a cross-sectional area of3×10-6 m2. It carries a constant currentof 28.0 A. What is the drift speed of the electrons in the wire?Assume each iron atom contributes one free electron to the current.The density of copper is 7.87 g/cm3.