Multiple Choice
A long straight wire parallel to the y-axis carries a current of 6.3 A in the positive y direction. There is a uniform magnetic field B = 1.5 T along the positive x direction. The magnitude of the force per unit length on the wire is approximately
A) 6.3 N/m.
B) 9.5 N/m.
C) 4.2 N/m.
D) 0.29 N/m.
E) 1.5 N/m.
Correct Answer:
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