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 direction of the magnetic field at a point P due to this wire? 
A) into the plane of the page
B) out of the plane of the page
C) along the -x-axis
D) along the +x-axis
E) along the +y-axis
Correct Answer:
Verified
Correct Answer:
Verified
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