Multiple Choice
If a = 2.0 cm, b = 5.0 cm, and I = 20 A, what is the magnitude of the magnetic field at the point P? 
A) 4.5 μT
B) 7.5 μT
C) 9.0 μT
D) 6.0 μT
E) 3.6 μT
Correct Answer:
Verified
Correct Answer:
Verified
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