Rowland's disk

Ages

Introduction

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.

Goals

• To illustrate Rowland's experiment.

Features

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

Tags

Rowland magnetostatic disk compass charge magnetostatics