Q.You are presented with several wires made of the same conducting material. The radius and drift speed are given for each wire in terms of some unknown units rm r and rm v. Rank the wires in order of decreasing electron current.
Rank from most to least electron current. To rank items as equivalent, overlap them.
Q. A uniform metal rod, with a mass of 3.3 and a length of 1.4 , is attached to a wall by a hinge at its base. A horizontal wire bolted to the wall 0.59 above the base of the rod holds the rod at an angle of 25 above the horizontal. The wire is attached to the top of the rod.