38 lines
1.6 KiB
XML
38 lines
1.6 KiB
XML
<problem display_name="S3E2: Lorentz Force">
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<startouttext/>
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<p>Consider a hypothetical magnetic field pointing out of your computer screen. Now imagine an electron traveling from right to leftin the plane of your screen. A diagram of this situation is show below.</p>
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<center><img width="400" src="/static/images/LSQimages/LSQ_W01_8.png"/></center>
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<p>a. The magnitude of the force experienced by the electron is proportional the product of which of the following? (Select all that apply.)</p>
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<endouttext/>
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<choiceresponse>
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<checkboxgroup>
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<choice correct="true"><text>Magnetic field strength</text></choice>
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<choice correct="false"><text>Electric field strength</text></choice>
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<choice correct="true"><text>Electric charge of the electron</text></choice>
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<choice correct="false"><text>Radius of the electron</text></choice>
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<choice correct="false"><text>Mass of the electron</text></choice>
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<choice correct="true"><text>Velocity of the electron</text></choice>
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</checkboxgroup>
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</choiceresponse>
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<startouttext/>
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<p>b. The direction of the force experienced by the electron is _______.</p>
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<endouttext/>
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<choiceresponse>
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<checkboxgroup>
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<choice correct="false"><text>up, in the plane of the screen.</text></choice>
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<choice correct="true"><text>down, in the plane of the screen.</text></choice>
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<choice correct="false"><text>into the plane of the screen.</text></choice>
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<choice correct="false"><text>out of the plane of the screen.</text></choice>
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<choice correct="false"><text>towards the right, in the plane of the screen.</text></choice>
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<choice correct="false"><text>towards the left, in the plane of the screen.</text></choice>
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</checkboxgroup>
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</choiceresponse>
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</problem>
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