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A Long Straight Wire Carries a 40

Question 61

Multiple Choice

A long straight wire carries a 40.0 A current in the +x direction. At a particular instant, an electron moving at 1.0 × 107 m/s in the +y direction is 0.10 m from the wire. The charge on the electron is -1.6 × 10-19 C. What is the force on the electron at this instant? A long straight wire carries a 40.0 A current in the +x direction. At a particular instant, an electron moving at 1.0 × 10<sup>7</sup> m/s in the +y direction is 0.10 m from the wire. The charge on the electron is -1.6 × 10<sup>-</sup><sup>19</sup> C. What is the force on the electron at this instant?   A) 1.3 × 10<sup>-</sup><sup>16</sup> N in the +x direction B) 1.3 × 10<sup>-</sup><sup>16</sup> N in the -x direction C) 6.5 × 10<sup>-</sup><sup>10</sup> N in the +y direction D) 6.5 × 10<sup>-</sup><sup>10</sup> N in the -y direction E) 6.5 × 10<sup>-</sup><sup>16</sup> N in the -y direction


A) 1.3 × 10-16 N in the +x direction
B) 1.3 × 10-16 N in the -x direction
C) 6.5 × 10-10 N in the +y direction
D) 6.5 × 10-10 N in the -y direction
E) 6.5 × 10-16 N in the -y direction

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