What is the magnitude of the magnetic field at a point 18.0 cm from a long, thin conductor carrying a current of 3.35 A?
A) Depends on the conductor material
B) 1.5 x 10⁻⁵ T
C) 2.0 x 10⁻⁵ T
D) 2.5 x 10⁻⁵ T