Two electronics technicians are discussing the resistance of copper wire. Technician A says that the resistance of a copper wire decreases as its cross-sectional area increases. Technician B says that the resistance of a copper wire decreases as its length increases. Which of the following statements is correct?
A. Only Technician A is correct.
B. Only Technician B is correct.
C. Both of the technicians are correct.
D. Neither of the two technicians is correct.