From Biot-Savart Law:
The magnetic field due to the infinite current-carrying wire is:
For the horizontal wire, θ = 0°
Since sin(0°) = 0
dBhorizontal = 0
The wire shown in the figure (Figure 1) is infinitely long and carries a current.
A. Calculate the magnitude of the magnetic field that this current produces at point P.
B. Find the direction of the magnetic field that this current produces at point P.
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