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Rowland's disk HTML5

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Summary

The disk is charged. A force appears only when the disk rotates. As with the Oersted experiment, electrostatic theory is unable to explain the deviation of the compass. Charges are involved, but only the introduction of magnetostatic theory is able to explain this experiment.

Click on the motor's buttons to rotate the disk.

Learning goals

  • To illustrate Rowland's experiment.

Keywords