Technician a Says That Voltage Drop Is the Effective Measurement

Multiple Choice

Technician A says that voltage drop is the effective measurement of resistance in a circuit.Technician B says that voltage drop is a less effective means of locating high resistances in a circuit than measuring resistance with an ohmmeter.Who is correct?

A) Technician A only
B) Technician B only
C) Both A and B
D) Neither A nor B