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A Long Straight Wire Carrying a 4-A Current Is Placed

Question 167

Multiple Choice

A long straight wire carrying a 4-A current is placed along the x-axis as shown in the figure. What is the magnitude of the magnetic field at a point P, located at y = 2 cm, due to the current in this wire? (μ0 = 4π × 10-7 T ∙ m/A) A long straight wire carrying a 4-A current is placed along the x-axis as shown in the figure. What is the magnitude of the magnetic field at a point P, located at y = 2 cm, due to the current in this wire? (μ<sub>0</sub> = 4π × 10<sup>-7</sup> T ∙ m/A) A) 20 μT B) 30 μT C) 40 μT D) 50 μT E) 60 μT


A) 20 μT
B) 30 μT
C) 40 μT
D) 50 μT
E) 60 μT

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