1 : Surface area is a country's total area, including areas under inland bodies of water and some coastal waterways. 2  Irrigated land: The number of square kilometers of land area that is artificially supplied with water. 3  Population density: People per square kilometre, in 1999. 4  At this time the world average was 14.42.
A ground fault is an inadvertent contact between an energized conductor and ground or equipment frame. The return path of the fault current is through the grounding system and any personnel or equipment that becomes part of that system.
The shape of the land. A fault is defined as a crack or fracture in Earth's crust along which rock on one side has moved relative to rock on the other. (When no movement has occurred, the fracture is known as a joint). When a fault breaks the planet's surface, it may range in length from a few inches to thousands of miles.