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Virtual ground. In electronics, a virtual ground (or virtual earth) is a node of a circuit that is maintained at a steady reference potential, without being connected directly to the reference potential. In some cases the reference potential is considered to be that of the surface of the earth, and the reference node is called "ground" or ...
Apr 11, 2011 · A "virtual ground" is a wire in a circuit whose voltage is held to be zero not because it is directly connected to the true ground, but instead because it is actively driven to that voltage typically by feedback mechanisms.
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Feb 19, 2022 · The radiation balance of the Earth system is an accounting of the incoming and outgoing components of radiation. These components are balanced over long time periods and over the Earth as whole. If they weren't the Earth would be continually cooling or warming.
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If V 1 /V 2 = -R 2 /R 1, zero voltage appears in the point A; it is a virtual ground. In this arrangement, a current I = V 1 /R 1 = V 2 /R 2 passes continuously through the circuit; as a result, the resistors dissipate continuously power. • they bear the same proportion as between the respective resistors.
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Apr 15, 2019 · Figure 1. From Ground, earth and chassis explained (by me). In your case I would probably use the hollow ground symbol for the real ground and the solid ground symbol for the virtual ground. Figure 2. Different ground symbols for primary ground and virtual ground. Notes: R1 and 2 provide a V CC /2 reference.
