Science, Maths & Technology
Electromagnetism: testing Coulomb’s law
...system, as described by the right-hand rule. Start by pointing the fingers of your right hand in the direction of the x -axis (indicated by the black dashed line in Figure 4). Then bend your fingers round to point in the direction of the y -axis, so that your hand is in the position shown in the figure. You might need to rotate your wrist to do this. Now your outstretched...