Two wires are made of the same material and have the same length but different radii.They are joined end-to-end and a potential difference is maintained across the combination.Of the following the quantity that is the same for both wires is:
A)potential difference
B)current
C)current density
D)electric field
E)conduction electron drift speed

Question

Quizplus · Accepted Answer

The current through both wires will be the same because they are connected in series, and in a series circuit, the current is constant throughout.

Two Wires Are Made of the Same Material and Have