Glossary:Earth: Difference between revisions
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Earth is the 3rd planet from the Sun. | Earth is the 3rd planet from the Sun. Being common to all earthlings, in an [[Glossary:Electronicals|electronical]] context earth or ground is taken as the zero of all [[Glossary:Volt|voltages]]. A metal stake driven into the ground may be used to obtain a physical earth or ground connection. (The difficulty of providing an earth connection is one of the challenges that will face any furure colonisers of Mars.) | ||
Latest revision as of 19:15, 20 June 2024
Earth is the 3rd planet from the Sun. Being common to all earthlings, in an electronical context earth or ground is taken as the zero of all voltages. A metal stake driven into the ground may be used to obtain a physical earth or ground connection. (The difficulty of providing an earth connection is one of the challenges that will face any furure colonisers of Mars.)