While having a discussion, Technician A says that the longer a conductor is, the more resistance it has and the smaller its diameter, the less resistance it has. Technician B says that the larger its diameter, the less resistance it has. Who is correct?

Question

Quizplus · Accepted Answer

Technician B is correct. The resistance of a conductor increases with length and decreases with an increase in diameter. Technician A is incorrect about the diameter; a smaller diameter actually increases resistance.

While Having a Discussion, Technician a Says That the Longer