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BField allows users to simulate the magnetic field produced by long straight wires or by circular loops. In addition, an external field may be included by specifying Bx and By.
BField is embedded using the following html tag:
<applet codebase="../classes/" archive="BField4_.jar,STools4.jar" code="bfield.BField.class" name="BField" id="BField" width="450" height="350" hspace="0" vspace="0" align="middle"> <param name="ShowControls" value="true"> <param name="ShowFieldVectors" value="true"> <param name="BxFunction" value="0"> <param name="ByFunction" value="0"> <param name="Range" value="-5,5,-5,5"> <param name="GridSize" value="24"> </applet>
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BField Parameters |
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| ShowControls | boolean | True to show simple user interface. |
| ShowFieldVectors | boolean | True to show vector field arrows. |
| BxFunction | string | X component of static background field. |
| ByFunction | string | Y component of static background field. |
| Range | string | X-Y scale values: xmin, xmax, ymin, ymax. |
| GridSize | int | Number of arrows in x or y direction. |
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STools Parameters |
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| AppletNames | string | A comma delimited list of applet names occurring within this html page. (See OnLoad.) |
| Debug | int | Enables debugging messages in Java console; 0 = no messages, 255 = verbose messages. |
| OnLoad | string | A JavaScript function that will be invoked using LiveConnect after all applets have been loaded. (See AppletNames.) |
| Resources | string | A file containing translations of internal text such as buttons and labels. |