Multiple Choice
In the figure,if a = 2.0 cm,b = 4.0 cm,and I = 2.0 A,what is the magnitude of the magnetic field at point P?
A) 49 T
B) 39 T
C) 50 T
D) 69 T
E) 13 T
Correct Answer:

Verified
Correct Answer:
Verified
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