Text-Book of Electrochemistry

ISBN: 9781330627228 出版年：2016 页码：357 Svante Arrhenius Forgotten Books

Ohm. — The unit of electrical resistance is that resistance offered at 00 by a column of pure mercury 10630 cm. Long with a section of one square millimetre. This is the inter national ohm, and is equal to 1063 Siemens' units.