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A Wire Carrying a Current Is Shaped in the Form

Question 6

Multiple Choice

A wire carrying a current is shaped in the form of a circular loop of radius 4.0 mm.If the magnetic field strength at its center is A wire carrying a current is shaped in the form of a circular loop of radius 4.0 mm.If the magnetic field strength at its center is With no external magnetic fields present,what is the magnitude of the current flowing through the wire? (μ<sub>0</sub> = 4π × 10<sup>-7</sup> T ∙ m/A) A) 7.0 A B) 28 A C) 14 A D) 17 A
With no external magnetic fields present,what is the magnitude of the current flowing through the wire? (μ0 = 4π × 10-7 T ∙ m/A)


A) 7.0 A
B) 28 A
C) 14 A
D) 17 A

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