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A Uniform Magnetic Field of Magnitude 0

Question 19

Multiple Choice

A uniform magnetic field of magnitude 0.80 T in the negative z direction is present in a region of space,as shown in the figure.A uniform electric field is also present and is set at 76,000 V/m in the +y direction.An electron is projected with an initial velocity A uniform magnetic field of magnitude 0.80 T in the negative z direction is present in a region of space,as shown in the figure.A uniform electric field is also present and is set at 76,000 V/m in the +y direction.An electron is projected with an initial velocity   <sup> in the +</sup><sup>x</sup><sup> direction.The </sup><sup>y</sup><sup> component of the initial force on the electron is closest to which of the following quantities? </sup>(e = 1.60 × 10<sup>-19</sup>C)    A)  -2.4 × 10<sup>-14</sup> N B)  <sub>+2.4 </sub>× 10<sup>-14</sup> N C)  -<sub>1.0 </sub>× 10<sup>-14</sup> N D)  <sub>+1.0 </sub>× 10<sup>-14</sup> N E)  zero in the +x direction.The y component of the initial force on the electron is closest to which of the following quantities? (e = 1.60 × 10-19C) A uniform magnetic field of magnitude 0.80 T in the negative z direction is present in a region of space,as shown in the figure.A uniform electric field is also present and is set at 76,000 V/m in the +y direction.An electron is projected with an initial velocity   <sup> in the +</sup><sup>x</sup><sup> direction.The </sup><sup>y</sup><sup> component of the initial force on the electron is closest to which of the following quantities? </sup>(e = 1.60 × 10<sup>-19</sup>C)    A)  -2.4 × 10<sup>-14</sup> N B)  <sub>+2.4 </sub>× 10<sup>-14</sup> N C)  -<sub>1.0 </sub>× 10<sup>-14</sup> N D)  <sub>+1.0 </sub>× 10<sup>-14</sup> N E)  zero


A) -2.4 × 10-14 N
B) +2.4 × 10-14 N
C) -1.0 × 10-14 N
D) +1.0 × 10-14 N
E) zero

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