pith-ball electroscope
1Electroscope — An electroscope is an early scientific instrument that is used to detect the presence and magnitude of electric charge on a body. It was the first electrical measuring instrument. The first electroscope, a pivoted needle called the versorium ,… …
2Electrostatic induction — is a redistribution of electrical charge in an object, caused by the influence of nearby charges. [cite web last = first = authorlink = coauthors = title = Electrostatic induction work = Encyclopaedia Britannica online publisher = Encyclopaedia… …
3Giovanni Battista Beccaria — Giovanni Battista Beccaria † Catholic Encyclopedia ► Giovanni Battista Beccaria A physicist, born at Mondovi, 3 October, 1716; died at Turin, 27 May, 1781. At the age of sixteen he entered the Order of Clerks Regular of St. Joseph… …
4Voltage — Potential difference redirects here. For other uses, see Potential. Working on high voltage power lines, Pearl Harbor …
