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CHAPTER XVII BEHAVIOR OF A SIMPLE CURRENT
(1) Whenever any point, area or object possesses a concentration of negatrons greater or less than normal, that place or object is "charged, " either positively or negatively. The strength of any charge with respect to the normal charge of earth is called its "potential." Thus, if a glass rod is rubbed with silk, negatrons are taken from the glass and left on the silk. Just why or how this occurs no one knows, but it is certain that the silk is found to be negatively charged, and the glass charged to a positive potential, meaning, as before explained, that there is a lack of negatrons in the glass and a surplus of them in the silk.
(2) When two places or objects are differently charged, a difference of potential exists between them. One may be positive and the other negative; or both may be negative, but one more so than the other. Or both positive but one more strongly than the other. (3) Any difference of potential constitutes an electromotive force. If a conducting path exists negatrons will flow from the area of greatest concentration to the area of least concentration until the difference has been equalized.
The number of negatrons flowing per second constitutes the amperage.
(4) The difference of potential is measured in volts.
(5) Obviously the amperage flowing in any circuit will depend both upon the potential difference which causes the current to flow and upon the resistance of the conductor. The greater the potential difference, or the less the resistance, the greater the number of negatrons will pass through the meter in one second of time in the
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