1. A current-carrying wire carries a current of 1.20 A. What is the magnitude of the magnetic field at point P, 0.042 meters away from the wire?

a. 7.00 x 10^-8 T

b. 5.71 x 10^-6 T

c. 5.71 x 10^-5 T

d. 7.00 x 10^-9 T

2. A current-carrying wire carries a current of 1.84 A. How far away from the wire is point P if the magnetic field at that location is 6.88 x 10^-6 T?

a. 0.535 A

b. 0.747 A

c. 0.0747 A

d. 0.0535 A