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A Hollow Cylinder with an Inner Radius of and an Outer

Question 28

Multiple Choice

A hollow cylinder with an inner radius of A hollow cylinder with an inner radius of and an outer radius of conducts a 3.0-A current flowing parallel to the axis of the cylinder.If the current density is uniform throughout the wire,what is the magnitude of the magnetic field at a point from its center? (μ<sub>0</sub> = 4π × 10<sup>-7</sup> T ∙ m/A) A) 7.2 × 10<sup>-6</sup> T B) 8.0 × 10<sup>-6</sup> T C) 8.9 × 10<sup>-7</sup> T D) 7.1 × 10<sup>-8</sup> T and an outer radius of A hollow cylinder with an inner radius of and an outer radius of conducts a 3.0-A current flowing parallel to the axis of the cylinder.If the current density is uniform throughout the wire,what is the magnitude of the magnetic field at a point from its center? (μ<sub>0</sub> = 4π × 10<sup>-7</sup> T ∙ m/A) A) 7.2 × 10<sup>-6</sup> T B) 8.0 × 10<sup>-6</sup> T C) 8.9 × 10<sup>-7</sup> T D) 7.1 × 10<sup>-8</sup> T conducts a 3.0-A current flowing parallel to the axis of the cylinder.If the current density is uniform throughout the wire,what is the magnitude of the magnetic field at a point A hollow cylinder with an inner radius of and an outer radius of conducts a 3.0-A current flowing parallel to the axis of the cylinder.If the current density is uniform throughout the wire,what is the magnitude of the magnetic field at a point from its center? (μ<sub>0</sub> = 4π × 10<sup>-7</sup> T ∙ m/A) A) 7.2 × 10<sup>-6</sup> T B) 8.0 × 10<sup>-6</sup> T C) 8.9 × 10<sup>-7</sup> T D) 7.1 × 10<sup>-8</sup> T from its center? (μ0 = 4π × 10-7 T ∙ m/A)


A) 7.2 × 10-6 T
B) 8.0 × 10-6 T
C) 8.9 × 10-7 T
D) 7.1 × 10-8 T

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