Question 2
2 pts
Calculate the magnitude of the magnetic field 4.5 cm from the axis of a solenoid with radius 2 cm, 800 turns per meter, and current $I_{solenoid} = 3$ A, and from a long wire that runs through the middle of the solenoid with current $I_{wire} = 80$ A in the $-\hat{z}$ direction
Answer in milli-Tesla, 3 sig figs, ~1 if nonzero