The electron density in iron is 1.7x1029 electrons/m3. When a 2.0 A current is present in a cylindrical iron wire with a cross-sectional radius of 2 mm, what is the electron's drift speed?
Frequently Asked Questions
What scientific concept do you need to know in order to solve this problem?
Our tutors have indicated that to solve this problem you will need to apply the Microscopic View of Current concept. You can view video lessons to learn Microscopic View of Current. Or if you need more Microscopic View of Current practice, you can also practice Microscopic View of Current practice problems.
How long does this problem take to solve?
Our expert Physics tutor, Juan took 1 minute and 52 seconds to solve this problem. You can follow their steps in the video explanation above.
What professor is this problem relevant for?
Based on our data, we think this problem is relevant for Professor Milsom's class at ARIZONA.