Multiple Choice
In the figure, if a = 2.0 cm, b = 4.0 cm, and I = 2.0 A, what is the magnitude of the magnetic field at point P? 
A) 49 μT
B) 39 μT
C) 50 μT
D) 69 μT
E) 13 μT
Correct Answer:
Verified
Correct Answer:
Verified
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