[{"Bold_text": "noun", "List Items": ["the standard unit of electrical resistance in the International System of Units International System of Units(SI), formally defined to be the electrical resistance between two points of a conductor when a constant potential difference applied between these points produces in this conductor a current of one ampere. The resistance in ohms is numerically equal to the magnitude of the potential difference.:?"]}, {"Bold_text": "noun", "List Items": ["Ge·org Si·mon,[gey-, awrk, , zee, -mawn]1787–1854,German physicist."]}]