Ohm. Because of that surface resistivity and the surface resistance are often mixed up. In order to differentiate between the two, surface resistiv-ity is often expressed also in Ohm/square (Î©/sq.) which is not a valid unit from the dimensional anal-ysis point of view. 2 Surface resistivity and surface resistance 2.1 Current density and surface cur-
The median age of the world's population was estimated to be 30.1 years in 2016, with the male median age estimated to be 29.4 years and female, 30.9 years.
âThe analyses presented in this report are based on a nationally. representative sample of 12,279 women and 10,403 men aged 15â44 years in the. household population of the United States. The overall response rate for the. 2006â2010 NSFG was 77%â78% for women and 75% for men.