Multiple Choice
A straight wire (length = 8.0 m) is bent to form a square. If the wire carries a current of 20 A, what is the magnitude of the magnetic field at the center of the square?
A) 17 μT
B) 14 μT
C) 11 μT
D) 20 μT
E) 36 μT
Correct Answer:
Verified
Correct Answer:
Verified
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