Q2. (15 points) A long wire carries a 4 A current along the x axis, and another long wire carries a 2 A current along the y axis, as shown in the Figure. Point P on the x axis at (8, 0) m. What is the magnitude of the magnetic field at point P? What is the direction of the magnetic field at point P?

Fig: 1

Fig: 2

Fig: 3

Fig: 4