An electric current travels from a thick copper wire through a length of thinner copper wire and then into another thick copper wire, as shown. Which statement correctly describes the current and the speed of the electrons in the wires?
- AThe current and the speed of the electrons in the thinner wire are both less than in the thicker copper wires.
- BThe current and the speed of the electrons is the same in all the wires.
- CThe current is the same in all the wires but the speed of the electrons in the thinner wire is greater than in the thicker wires.
- DThe current is the same in all the wires but the speed of the electrons in the thinner wire is less than in the thicker wire.