choiceprob.xml

<problem display_name="S3E2: Lorentz Force">

<startouttext/>
<p>Consider a hypothetical magnetic field pointing out of your computer screen. Now imagine an electron traveling from right to left in the plane of your screen. A diagram of this situation is show below…</p>
<center><img width="400" src="/static/images/LSQimages/LSQ_W01_8.png"/></center>

<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>
<endouttext/>
<choiceresponse>
<checkboxgroup>
<!-- include ellipses to test non-ascii characters -->
<choice correct="true"><text>Magnetic field strength…</text></choice>
<choice correct="false"><text>Electric field strength…</text></choice>
<choice correct="true"><text>Electric charge of the electron…</text></choice>
<choice correct="false"><text>Radius of the electron…</text></choice>
<choice correct="false"><text>Mass of the electron…</text></choice>
<choice correct="true"><text>Velocity of the electron…</text></choice>

</checkboxgroup>
</choiceresponse>

</problem>