Multiple Choice
FIGURE 22-9 
-A long straight wire carrying a 4-A current is placed along the x-axis as shown in Figure 22-9. What is the magnitude of the magnetic field at a point P, located at y = 0.02 m, due to the current in this wire?
A) 20 μT
B) 30 μT
C) 40 μT
D) 50 μT
E) 60 μT
Correct Answer:

Verified
Correct Answer:
Verified
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