Technician a Says Increasing the Amount of Current Flowing Through

Multiple Choice

Technician A says increasing the amount of current flowing through a conductor will increase the strength of its magnetic field. Technician B says coiling a wire around a soft iron core will increase the strength of its magnetic field. Who is correct?

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