| 1882 - 814 pagini
...sealing-wax with an opposite kind of electricity to that on the glass and also on the ball. Hence we had the law that like kinds of electricity repel each...thereby producing a state of electric quiet in the body. Rubbing separated the two fluids from each other and rendered them appreciable to our tests. It could... | |
| J. H. Alexander - 1906 - 244 pagini
...that like poles repel each other and unlike poles attract each other always, and we saw (on page 2) that like kinds of electricity repel each other, and unlike kinds attract each other. Coulomb demonstrated that these attractions and repulsions vary inversely as the square... | |
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